[Bluetooth 5.0] Wireless Earphone Mini HIFI Stereo Sound Waterproof Touch Control With HD Mic

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Specification:

1.Headphone Parameter
Earphone Battery:Polymer Lithium Battery 50mAh.
Bluetooth Version:5.0
Operating Voltage:3.3V-4.2V.
Charging Voltage:DC3.7V.
Bluetooth Frequency:2.4-2.48GHz.
Bluetooth Transmission Distance:10M.
Speaker Impedance:32Ω.
Speaker Frequency: 20-20KHz.
Speaker Sensitivity:105dB.
Microphone Sensitivity:-42±2dB.
Audio transmission format:A2DP / HFP / HSP / AVRCP.
Headphone talking distance:10M.

Charging time: 2-3hours
Talking time: 2.5hours.
Music time:3hours.

Stanby time: 240hours

2.Charging Box Parameter:
Charging Box Battery:Polymer Lithium Battery 450mAh.
DC Charging Current:350mA
DC Charging Voltage:DC 5V.

Feature:
1. Full touch operation, next song, answer/hang up/reject.
2. Intelligent one-key to connect device, abandon the traditional connection trouble.
3. True wireless stereo, support lossless music format.
4. Headphone battery 50 mAh, long time.
5. With 400mA battery box power reserve, add time to use headset.