1. Low-power active noise reduction chip
2. 13mm composite membrane unit professional tuning
3. Ultra-low power consumption 5U platinum-plated spring pin
4. Full inspection of appearance RF audio noise reduction equipment manual retest
5. Charger battery with board, having ovp
6. Hall cover automatic connection
7. Digital power display
Specification ：
Bluetooth solution: Jerry AC7003A8
Bluetooth version: V5.4
Speaker unit: 32Ω 13mm
Earphone battery: 40mAh/3.7V
Charging compartment battery: 500mAh/3.7V
Music time: about 5.5 hours
Talk time: about 3.5 hours
Charging time: about 1.5 hours
Supported decoding format: SBC/AAC
Standby time: about 50 hours
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