Wireless Sport Stereo Bluetooth Headset HBS800

version 4.0 (Headset/Handsfree/A2DP/AVRCP mode)
Battery: 3.7 V / 195 mah, lithium-ion polymer battery
Standby time: up to 500 hours
Longest time: 15 hours
Music playing time: the longest 10 hours
Charging time: less than 2 hours
Operating temperature: - 10 °C ~ 60 °C
Size: 135.6 mm (width) X 167.3 mm (length) X 16.9 mm (thickness)
Weight: 32 gb
frequency: 2402 MHZ to 2480 MHZ