LED Display 1200mA Power Bank Wireless Bluetooth Earphone 5.0 Waterproof Earbuds 5D Stereo Bluetooth Earbuds for All Smart Phone

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Bluetooth version: Bluetooth 5.0
Operating frequency: 2.4 GHz ~ 2.4835 GHz
Voice prompt: English and Chinese support
Support for listening to music and talking
Effective distance:> 10 m
Speaker: Ф8mm, PU (AS-XR)
Effective frequency band: 50 HZ ~ 20 KHZ
Sensitivity: 108 ± 2dB
Impedance: 16 ± 5% Ω
Capacity of a single battery: 60 mAh (with protection plate)
Capacity of the load box: 1200 mAh (with the protection board)
Micro USB charging time: Full charge for headphones: 1 hour charging base: 2 hours
Standby time: 200 hours
Times to charge headphones in the load box: 9 times
Continuous conversation time: 4-5 hours
Music time continues: 4-5 hours (up to a volume of 70%)