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Comparison Remax RB-T18 vs Remax RB-T9

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Remax RB-T18
Remax RB-T9
Remax RB-T18Remax RB-T9
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Up to 4 devices can be connected at the same time. 6 hours talk time. Ear mount. Noise suppression. Volume control.
Devicebluetooth headsetbluetooth headset
Designearbudsearbuds
Behind ear
Connection
Bluetooth v 4.1
Bluetooth v 4.1
Range10 m10 m
Specs
Impedance16 Ohm
Frequency range20 – 20000 Hz20 – 20000 Hz
Sensitivity85 dB
Microphone sensitivity-44 dB
Features
Multipoint
noise cancellation
volume control
voice dialing
A2DP profile
AVRCP profile
Multipoint
noise cancellation
volume control
voice dialing
A2DP profile
AVRCP profile
General
Power sourcebatterybattery
Battery capacity50 mAh100 mAh
Battery life6 h
USB charging portmicroUSBmicroUSB
Charging time2 h2 h
Replaceable ear hooks
Replaceable silicone tips
Dimensions (WxHxD)58x22x14 mm
Weight5.8 g8 g
Color
Added to E-Catalogseptember 2018august 2017

Behind ear

A device designed to fix the device on the auricle; most often represents a signature shackle. Such a shackle is very popular among Bluetooth headsets — this is the easiest way to hold a relatively large device on your ear. At the same time, ultra-compact models can be fixed directly in the ear and do not need a behind-the-ear hook. And for car kits and speakerphones (see "Device"), such a mount is not required.

Note that the shackle is most often made swivel, which allows you to reposition it from the left to the right ear and vice versa.

Impedance

The nominal impedance of the earpiece or speaker installed in the device. This parameter is indicated in the specifications extremely rarely, and even in such cases it is purely for reference: the hardware of the device is initially optimized for the corresponding headphone/speaker impedance.

Sensitivity

The sensitivity of the earpiece used in the headset (see "Device"); for speakerphones and car kits, a similar parameter is not fundamental, and therefore is not indicated.

The higher the sensitivity, the louder the earpiece will sound with the same power of the signal supplied to it. Accordingly, this spec primarily affects the maximum volume. However the actual loudness in models with the same sensitivity may vary slightly, but in general, the difference in sensitivity more or less corresponds to the real difference. However, note that too much sound adversely affects hearing. Therefore, it makes sense to look for a headset with a sensitivity above 100 dB if you often have to talk in a noisy environment such as a busy street, subway car, factory, etc. For relatively quiet conditions, you can take a more modest model.

Battery capacity

The capacity of the battery installed in the device (see "Power").

Theoretically, a higher battery capacity allows you to work longer on one charge. At the same time, the actual battery life will also depend on the power consumption of the device, and it is determined by a number of technical specs. Therefore, it is better to evaluate battery life not by battery capacity, but by directly claimed operating time (see below). It makes sense to use this parameter if the operating time is not specified; at the same time, it makes sense to make conclusions only if devices similar in specs differ in capacity — for example, 60 and 110 mAh.

Battery life

Time of operation of the self-powered device (see "Power") on one battery charge.

Usually, the battery life in the talk mode is meant, when the device consumes the most energy. In headsets with high-capacity batteries, this battery life can be 9 hours or more. However, talking for several hours without pauses is almost impossible, so in fact the operating time is noticeably longer than in the specifications. So, a headset with an operating time of the same 9 hours is most likely quite enough for a 12-hour work shift, even if you have to constantly make calls through it; and if we are talking about only 5 – 6 calls per day, then the charge is guaranteed to last for several days, or even a week. At the same time, the difference in the claimed operating time is usually quite consistent with the difference in actual battery life, and it is quite possible to compare the real capabilities of different models by it.

Replaceable ear hooks

You can change the ear hook that is used to attach the Bluetooth headset to the ear. This feature allows you to adjust the device to the features of the auricle, which is especially necessary for people with a non-standard size or shape of the ears. Usually spare temples are included in the package, and if necessary, they can be purchased separately.
Remax RB-T18 often compared
Remax RB-T9 often compared