Sennheiser EPOS GTW270 TWS Headphones

Main characteristics
Headphone type vacuum
Connection wireless
Technology dynamic
Fastening type without fastening
Microphone yes
Technical characteristics
Sensitivity 100 dB
Frequency range 20-20000 Hz
Harmonic coefficient 2%
Microphone
Sensitivity 20 dB
Frequency range 100-7500 Hz
Microphone directivity omnidirectional Microphone
location on headphones
Microphone mount built-in into the headset
Number of microphones 2
Wireless communication
Bluetooth data channel Bluetooth
version 5.1
Support Apt-X yes
Range 15 m
Control
Control on headphones
Control functions answer/end call, track next/previous, play/pause
Battery type  own battery
Operating time in music mode  5 hours
Charging time  1.5 hours
Operating time with charging case  20 hours
Power connector  USB Type-C