Specification:
● Size : W8cm*L10.3cm
● Operating mode : Bluetooth
● Blue Tooth:3.0 EDR
● Material :cotton
● 3.7V 110mA rechargeable battery
● Mini USB Charge,5V/0.5A
● Talking time:4-6 hours
● Charge time:1.5 hours
● Certification:CE&ROHS,BQB
● Colors for choose
● OEM are available