Bluetooth version: V5.4Transmission Distance: 10mCharging port: Type-CBluetooth frequency: 2.402-2.480GHZRelated Input: 5V—300mACharging time: 1hMusic time: 4.5hTalk time: 4.5hHeadphone Battery Capacity: 30mAhBattery Capacity: 500mAh

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Check the product thoroughly.

If any issues are found, show them clearly in the video.

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