AWEI modelo privado TWS fone de ouvido Bluetooth tipo fone de ouvido anti-queda sem fio esportes mini fábrica fone de ouvido atacado

Description:This sports bluetooth-compatible earphone with portable charge cabin IPx4 waterproof and anti-perspiration function, and it is easy to wear and does not fall.Featured with one-button manipulation, this in-ear comfort earphone is ideal and realizes automatic pair mode and binural communication.Made of high quality ABS material, it is durable to use.The length is 8.5cm, the width is 5cm and height is 3.5cm.It is suitable for sports, music, phone call.item name:bluetooth-compatible Earphone material:ABSCharging time: 1.5hinput voltage:DC 5Vensity: 92db±3dbFrequency range: 20-20000HzImpedance distance: 32Ω±15%Transmission distance: 1MWorking frequency: 2。