Motorola H670 Review

Introduction and Design

It is not rare for companies to launch on the market devices intended just to supplement a certain series or even collection of the fans of the respective trademark. The device we are going to discuss in the present review is of this specific kind. This is Motorola H670 – a headset, which emphasizes its similarity in color and design with another product of the same company - MOTOKRZR K1.
Even on the box the manufacturer has shown that this is a headset which „perfectly complements your MOTOKRZR K1 phone”. Naturally, this does not mean that you cannot use the headset with other phones, but it is designed to perfectly fit K1.
Inside the box you will find the following:

  • Bluetooth headset
  • 3 interchangeable earhooks
  • mini USB charger
  • user guide.
It is a standard set, which is not extravagant and does not contain needless extras. The three earhooks of different sizes guarantee that you will find the one suitable for you.


Motorola H670 has the following dimensions: 62 x 24 x 19 mm (2.4 x 0.9 x 0.75 inches) and is offered in three color options: black, cosmic blue and dark pearl grey; the device which we are going to test today is of the cosmic blue variation. As we have already mentioned, Motorola has emphasized on the fact that the design and the color of the headset is made to match the MOTOKRZR K1, which is a good approach of the company, since thus the owners of the phone will be able to complement their set of accessories.

There are three buttons in total (a call key and two volume keys) to manage the headset. The buttons can be distinguished by their mirror-like silvery color. They are positioned very well and operating the keys is trouble free, as it is very pleasant and easy to press all of them without making any effort and they have a good tactile feedback. Apart from pushing the call key, you can slide it (up/down), thus using is as an on/off key. Except for this button, on the front side of the headset is located a multicolor indicator, which produces a different light (blue, purple and red) depending on the current mode of the device.

The only mobile part of the headset is the standard earhook, which is used for many models of the company. It is made of an elastic plastic, and it ends with a soft dark grey rubber where it touches the ear. The earhook moves in two directions only without being able to turn around as it is possible, for example, in some of the Jabra models. The earhook is well fastened to the device and there is no danger of falling. Being able to move the hook  in two directions only is quite limiting, since you are not able to additionally adjust the headset upwards or downwards.

In order to improve the quality and the power of the sound the manufacturers have made the headset speaker convex so that it goes into the entrance of the ear duct, and so the headset is  more comfortable to ware, it is covered in the same soft grey rubber as is the earhook.


In order to facilitate working with the headset as much as possible, Motorola have removed the traditional pairing mode, thus the device is ready to connect at the moment it's switched on. This is a feature of the most recent models of the company (H9, H800 H550), as it is indeed more comfortable than pressing some button or a combination of buttons and waiting to enter pairing mode. Everything else is standard. The code is 0000 and if you want to connect another phone to the H670 you will have to make sure that the phone is disconnected from the device it has been connected with before.

Here, you may program, according to your desire, which one of the two volume buttons is for increasing and which one is for decreasing. This is done very easily, as it is only necessary to press the button, which you designate for increasing simultaneously with switching on the headset. At first glance, this is a non-significant function, which may be very useful from the point of view of comfort when working with the phone.


We made the mandatory “package” of tests in order to check to what extent the official data from the manufacturer reflects the actual performance of the phone.

According to Motorola the battery of the headset should provide approximately 8 hours talk time or 8 days standby time. The device passed the test with flying colors as it endured in total 9.4 hours (565 minutes) of conversation at a volume set to the maximum. This is an achievement, which not many models may boast of (for example, Motorola H3) and, as you can see, it is much more than the officially declared time. Another achievement, setting a record by which the model distinguished itself, is the fact that we were able to carry out a conversation without a change in the quality of the connection, even when the distance from the headset to the connected phone (at a direct visibility) was 77.1 m (252.9 feet). In order to make sure that no error occurred, which influences the outcome, we made the test twice. The device showed analogous results both times. You may hardly have to talk at such a distance, but, nevertheless, the good coverage allows you to carry out a normal conversation, for example, when the phone is in your pocket.

The volume of the sound during conversation is above the average; the sound can be slightly muffled and, at times it can even become incomprehensible. The person at the other end hears your voice slightly weaker and monotonous. In windy weather you will be able to converse, as the headset performed better than the average under such conditions and we might compare it with such models as H605 and H800. Nevertheless, whirling caused by the wind in the mic will make you speak louder than normal, but, usually, this is a normal reaction when having a conversation in a noisier environment.

We tested whether you can talk when you increased the volume of the music in the car or when you are in a club, as the result is that in such an environment the party at the other side cannot make a distinction between the music and your voice, even when we spoke louder we could nor understand each other. In reality this means that the headset is unusable in such an environment and if you have to carry out a conversation you better find a quieter place.


Apart from testing the devices for performance, we also give our opinion on how they feel when used. Yet, it is not enough for a device to perform well, it is also necessary that we feel comfortable and pleased when using it.

In order to put H670 on you just have to put the earhook behind your ear, and afterwards to make it fit best – quick and easy movement, which may be made even single-handedly. In order to move the headset to the other ear you will have to take out the whole earhook, to turn it to 180 degrees and to put it again. This operation is not very difficult, but, nevertheless, requires that both of your hands are free, which happens rarely during driving, for example.

Depending on the size of your ear you have to select the earhook, which is most comfortable for you, as the stability of fastening of the headset and the comfort at wearing, as a whole, depend on this choice. Irrespectively of which earhook you selected, you will feel that the headset sways at side movements of your head and even when walking faster, although it is very unlikely that it falls down.

Although the earhook of the device is almost the same as the one of H800, the feeling which the headset creates after a short use is not the same. After one or two hours you will feel the pressing of the hook behind your ear, but not as strongly and as irritatingly as with H800. You will just feel that you have something behind your ear. Motorola H670 falls into the average “category” by its weight of 16 grams (0.56 oz), but we would not say that you will feel its weight, although, you will not forget about it.

As a whole, there are things which can be improved in terms of comfort at use, as one of the things which Motorola has to change is the design of the earhook. It would simply be much more comfortable if the earhook were not so pointed and having an edge, which rests against and presses your ear.


If you have a MOTOKRZR K1 you would like for sure to add H670 to your collection of accessories.
You get a device, which is extremely easy and pleasant to work with and has a very good talk time and coverage, thus allowing  you to go away from your phone without facing a connection problem. Nevertheless, Motorola could work more in order to increase the quality of the sound during conversation, but for a device of an average class, the outcomes match our expectations.

If you talk a lot, this is the model, which will provide enough time for you so that you are able to do your work without being worried that your battery will fall. This fact, together with the attractive design would draw quite some customers to H670.


  • Very comfortable buttons
  • Long talk time
  • Great coverage


  • Instable fastening
  • Hard to move from one ear to the other

PhoneArena Rating:


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