New Big Super Bass Hd Retractable Blootooth Wereless Long Headphone True Wireless Bluetooth Sport Headset For Ear For All Phones

Speaker 40MM

Battery capacity 450mAh
Working distance: 10m
music time 15 hours
Talking time 13 hours
Standby time 30 hours (Bluetooth connection)
Charging time 3 hours
Functions adjust the volume, switch songs, answer calls, reject calls, hang up calls, power display, multi-point connection, Bluetooth play
Capacity of Charging box 500mAh
charging port TYPE-C
Charging time 1.5 hours
Re-charging frequency 4 times
Material Degradable plastic wheat straw +ABS
Product Net Weight 120g