Spec:
Bluetooth :5.0
Chip:Realtek chip
Earphone:40mah
Charger case :1200mah
Work time:4-5 hours
Circle charger :10-12 times
Function:Volume+/-,Song pre/next ,Call answer/reject
Material:Metal housing
Color:Slivery&Black&Red color
MOQ:1000units base on common pack
Support OEM service,such as logo,OEM pack
Warranty:12 months