Features:
Built in Li-battery for portable use・ and has USB port for recharging
Contain a wired earphone・ can be for wired earphone directly・ or use as Bluetooth
Round buttons・ and more fit fingers・ more symmetrical design・ simple and elegant
Control Power・ Pause・ Volume・ Previous・ Next on Bluetooth Receiver

Specification:
Bluetooth Version: 4.1 Version
Operation Distance: 10M
Charging Time :2hours
Music Time: 5 hours
Talking Time: 5.5hours
Standby time: 36hours
Battery capacity: 90mAh

Package include:
1 x Wireless Bluetooth Earphone
1 x Charging Cable