Specifications:
- Bluetooth version: Jerry AD6973D4 V5.3
- Supported protocols: HSP, HFP, A2DP, AVRCP
- Battery capacity 35mAH * 2 (without protective board, earphone board lithium protection IC)
- Charging compartment battery capacity: 300mAh (with protective plate)
- Drive unit: f 13mm
- Charging time: 1.5H Call duration: 7H
- Playback time: 6H Standby time: 300H
- Horn sensitivity: 93 ± 3dB Horn impedance: 32 O
- Input charging standard DC 5V
- Bluetooth working frequency: 2.402G-2.480G
- Frequency response range: 20HZ-20000HZ
- Maximum transmission distance: 8M
- Voice prompt: supports multi-point connection: not supported
- Wearing method: In the ear
- Instructions: Chinese and English
- Interface: TYPE-C
- Waterproof level: IPX6 strong waterproof and sweat resistant function (only for headphones, charging compartment not waterproof)
- ENC noise reduction depth (4-meter call noise reduction): > -40dB
- Accessories included: USB charging cable, manual
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