Bluetooth Headset Waterproof Sport Neckband Headset Music Earphone Wireless Headphone

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Bluetooth receiving range:15 meters Bluetooth version:5.2 Noise Reduction Version: ENC（Environmental Noise Cancellation） Driver diameter: 14.2mm Frequency response:20Hz~20kHz Support protocol：A2DPHFPSPPHIDPBAP Speaker Sensitivity: 115dB ± 3dB Mic sensitivity: -42±3dB Battery capacity:300mAh Usage mode:BluetoothTF card mp3 mode（Maximum Support 32g） Call playback time: about 20 hours Power input:DC5V1A Charging time:2 hours Operation method： Power Key Long Press: Power OnOff + Key Long Press: Volume Up Short Press: Next Track －Key Long Press: Volume Down Short Press: Previous Track Function Key Single Press: PausePlay Double Press: Dial a Call Long Press: Reject a Call Double Press : Switch between English and Chinese when not connected to Bluetooth. Triple Press : Switch between TF Card Mode and Bluetooth Mode.

Products include 1 * Bluetooth headsets 1 * Charging cable

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