... Bluetooth Stereo Headset - Retail Packaging - Black for Iphone 4,4s,5,Ipad,PC,PS3 Our catalog for your reference: Specifications of bluetooth: Bluetooth VersionV2 ... Charging TimeWithin 3 hoursBattery3.7V 300mA Rechargeable Li-PolymerPowerImput AC 100-240V, output DC 5V 300mARF Output Power-6dBm ... Latest design Wireless Bluetooth Stereo Headset - Retail Packaging - Black for Iphone 4,4s,5,Ipad,PC,PS3