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Lenovo QT81 (QXD1B07922)

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$14.00 
Relatively inexpensive fully wireless headphones from Lenovo, introduced to the market in the first half of 2022. Among the advantages of this model is a comfortable fit, good sound, as well as the minimum water protection required for everyday use according to the IPX4 standard. A very interesting design feature of the model is the presence of a small display on the case, which displays the charge level of both the case itself and each of the headphones separately. In general, we have rather classic in-ear headphones, devoid of ear cushions, which look like Apple AirPods, but only with a longer stem. It is important to pay attention to the fact that both the headphones themselves and their case look quite large and bulky. Large 13 mm dynamic drivers are responsible for sound reproduction,...which provide sufficiently high-quality and loud sound. There is a built-in microphone, a touch control panel, but active noise reduction technology is not provided. Bluetooth v 5.1 wireless interface is used for pairing with the phone. As for battery life, these headphones are able to independently play up to 5 hours, which can be called an indicator of the average level, as by modern standards. The complete case allows you to extend this time by another 30 hours due to periodic recharging. An interesting solution is that the case can be charged via both USB-C and USB A interfaces.
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Lenovo QT81
Connection and design
Designinserts
Connection typewireless
ConnectionBluetooth v 5.1
Range10 m
Specs
Impedance32 Ohm
Frequency range20 – 20000 Hz
Sensitivity98 dB
Speaker size13 mm
Emitter typedynamic
Microphone specs
Microphonebuilt into the case
Power supply
Power sourcebattery
Headphone battery capacity40 mAh
Case battery capacity1200 mAh
Operating time (music)5 h
Operating time (with case)30 h
Charging portUSB C
General
Touch control
Screen
WaterproofIPX4
In boxcharging case
Official Websitelenovo-audio.com
Added to E-Catalogfebruary 2022
P/N
QXD1B07922

Relatively inexpensive fully wireless headphones from Lenovo, introduced to the market in the first half of 2022. Among the advantages of this model is a comfortable fit, good sound, as well as the minimum water protection required for everyday use according to the IPX4 standard. A very interesting design feature of the model is the presence of a small display on the case, which displays the charge level of both the case itself and each of the headphones separately.

In general, we have rather classic in-ear headphones, devoid of ear cushions, which look like Apple AirPods, but only with a longer stem. It is important to pay attention to the fact that both the headphones themselves and their case look quite large and bulky. Large 13 mm dynamic drivers are responsible for sound reproduction, which provide sufficiently high-quality and loud sound.

There is a built-in microphone, a touch control panel, but active noise reduction technology is not provided. Bluetooth v 5.1 wireless interface is used for pairing with the phone. As for battery life, these headphones are able to independently play up to 5 hours, which can be called an indicator of the average level, as by modern standards. The complete case allows you to extend this time by another 30 hours due to periodic recharging. An interesting solution is that the case can be charged via both USB-C and USB A interfaces.

Information in model description is for reference purposes.
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