Bluetooth protocol: Bluetooth V4.1 Language: support multiple languages.
Receiving distance: Within 30M.
Carrier frequency: 2402mhz-2480mhz.
Battery: Rechargeable lithium ion polymer battery (3.7V 600mah).
Charging power supply: Computer USB port (DC 5V); DC 5V (500mA) Travel charger: DC 5V (500mA) car charger.
Continuous working time: More than 10 hours.
1 x SADES 4.1 bluetooth headset
1 x USB Data cale
1 x 3.5 mm Cable,
This bluetooth device can also be used as a wired headphone with using 3.5 mm cable connecting to your laptop or mobile phone and etc.
Note: Tthis bluetooth headset only for cellphone, mobilephone, smartphone, computer with blutooth function device not support Xbox, Xbox 360, PS4 game player and so on, please kindly know, thanks.