* Version of bluetooth: Bluetooth v3.0 Edr
* Bluetooth protocol: Hsp/hfp/A2dp/Avrcp
* Effective distance: 10m
* Working hours: Calling: 11 hours, Listening to music: 10 hours
* Standby time: 250 hours
* Charging input voltage: Dc: 5.0 -0.25V
* Dimension of the product: 165x155x33mm
* Weight of the product: 103g
WARRANTY: 1 Year Direct Manufacturer Warranty
RETURNABLE: Yes