Foldable and Rotated Earpieces Active Noise Cancelling Headphones TS-ANC07

Bluetooth specification: Bluetooth 5.4
Chip: AC6925D
Support agreement: HFP, A2DP and AVRCP
Effective range: 10 m
Working frequency: 2.402 -2.480GHZ
Transmission power: CLASS 2
Charging voltage: DC 4.75-5.25V
Charging current: about 350 mA
Charging time: 1.5 h
Operating current: ≤ 25 mA
Temperature range: -20ºC to +60ºC
Call time: About 12 h
Play time: About 15 h
Standby time: About 14 h
Static current after shutdown: About 1 UA
IOS battery level display: After connecting to the IOS system, the headset battery level status can be displayed
Noise reduction type: rear-feed noise reduction (single feed)
Main control chip: TI (Texas Instruments)
Depth of noise reduction: 23db±2
Impedance: 32 ohms
Frequency response: 20-20kHZ
Speaker sensitivity: 118db
Microphone sensitivity: 40dB±2
Working voltage: 2.5V
Working current (70% volume of playing music): 10mA