Specifications:<br />Transmission Distance: 10 meters<br />Charging Time: 0.5-1 hour<br />Talk Time: up to 5 hours<br />Stand-by Time: up to 80 hours<br />Play music time: up to 3 hours<br />Frequency Range: 2.4-2.480GHz<br />Ambient Temperature: -20~60 degree Celsius<br />Mode: HSP/HFP/A2DP/AVRCP<br />Power Adapter Output: DC 5V 100mA<br />Battery: high-capacity rechargeable lithium polymer battery<br />Overall Length: approx. 64cm<br />Available Colors: red・ black<br />Please tell us the color you want when you buy it・ or else we will send it at random<br />Package:<br />1 Pair x Wireless Bluetooth Earphones<br />4 x Spare Earplugs<br />1 x Clip<br />1 x USB Cable<br />1 x User Manual