Driver Specifications:
✔Bluetooth version and chip: 5.3
✔Jieli AD6973D4
✔Supported protocols: HSP, HFP,A2DP, AVRCP
✔Talk time: 7H
✔Play time: 6H
✔Charging time: 1H
✔Charging case: 300mAh
✔Best call distance: <1M
✔Maximum transmission distance: 10m
✔Voice prompt: supported
✔Sensitivity: 100.1dB
✔Horn diameter: 10mm
✔Impedance: 32Ω
✔Frequency response range: 20H-20KH
✔Multipoint connection: unsupported
✔User manual: Chinese and English
✔Included accessories: USB charging cable, user manual, earplugs of different size
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