Bluetooth version: 5.4
Support configuration files: A2DP, AVCTP，AVDTP，AVRCP，HFP，SPP，SMP，ATT，GAP，GATT，RFCOMM，SDP，L2CAP
Transmission distance: unobstructed forward distance greater than 10 meters
Transmission power: Class 2
Frequency range: 2.402-2.480 GHz
Horn diameter: Ø 40mm
Impedance: 32 Ω
Noise reduction amplitude: 28+/-3dB
Noise reduction frequency range: 20-600Hz
Rechargeable lithium battery: 350mAh (nominal voltage: 3.7V)
Turn on noise reduction and play music for 20 hours Turn off noise reduction and play music for 31 hours
Call duration with noise reduction on: 23 hours Off noise reduction call duration: 33 hours
Charging time: 1.5 hours
Features: Bluetooth, ANC, AUX, hands-free calling, one to two, voice assistant, game mode (low latency), transparency mode
Email cannot be empty
Password cannot be empty
Email format error
Email cannot be empty
Email already exists
6-20 characters(letters plus numbers only)
The password is inconsistent
Email format error
Email cannot be empty
Email does not exist
6-20 characters(letters plus numbers only)
The password is inconsistent
