-
-
-
-
-
-
-
-
-
-
-
-
-
- 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 module parameters:
- 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
-
-
-
-
-
-
-
-
-
-
-
-
