Audio Technica ATH-M20xBT User Manual

Troubleshooting
23
Cannot hear the voice of the caller / Voice of the caller is too quiet
Turn on the power of the product and the Bluetooth device.
Turn up the volume on the product and the Bluetooth device.
Confirm that the product and Bluetooth device are connected via HFP/HSP (or phone connection).
Disable pairing for the product and the Bluetooth device, then pair the product with this device again.
Switch the sound output of the Bluetooth device to the product.
The product cannot be charged
Securely connect the included USB charging cable and charge the product.
Charge the product in a well-ventilated place (10 to 35°C (50 to 95°F)) away from direct sunlight.
For details about how to operate your Bluetooth device, refer to the device’s user manual.

Audio Technica ATH-M20xBT Specifications

General

Product type	Headset
Product color	Black
Wearing style	Head-band
Control unit type	On-ear control unit
Recommended usage	Music
Microphone type	Built-in
Microphone frequency	50 - 20000 Hz
Microphone sensitivity	-42 dB
Microphone direction type	Omnidirectional
Impedance	36 Ω
Driver unit	40 mm
Ear coupling	Supraaural
Maximum input power	100 mW
Battery type	Built-in battery
Battery voltage	3.7 V
Battery operated	Yes
Battery recharge time	4 h
Continuous audio playback time	60 h
Operating temperature (T-T)	5 - 40 °C
Quantity	1
Cables included	Audio (3.5mm), USB Type-A to USB Type-C
Bluetooth version	5.0
Bluetooth profiles	A2DP, AAC, AVRCP, HFP, HSP, SBC
Connectivity technology	Wired & Wireless

Weight and Dimensions

Weight	216 g