Solution: Jerry 7043 Bluetooth Version: Bluetooth V5.4 Transmission Range: 10 meters (unobstructed) Earphone Battery Capacity: 25mAh Charging Case Battery Capacity: 250 mAh with protective board Sensitivity: 110±3dB S.P.L at 1KHZ Impedance: 16Ω Speaker: Ø13 mm Use time: 3-4H Standby time: 200 hours Charging time: 2H Charging Port: Type-C Colors: White, Black
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