Hot selling Charging Case Bulk Custom Wireless Mini Tws Earbuds Earphone Ear Pho

       product name     TWS

bluetooth Version      V5.0+EDR

    wireless Range       10--15wireless Frequency   2.405--2.480GHZ

        Transmission        Power  Class

      Charge Voltage     5V

wired Charge Time      About 40 minutes

      Working Time       5  hours music playing

       Standby time        7-10 days