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JR03 Bluetooth Earphones Argument
Bluetooth version: 5.3Horn: φ13mm real copper ringHeadset battery: 25mahStorage battery: 200mahShutdown standby time: about 180 daysMusic time: 3-4 hoursTalk time: 3-4 hoursCharging time: about 1 minuteCharging time: about 1.5 hoursCommunication distance: <10MCharging interface: Type-CCharging voltage: DC5V/1AColor: Black/white