Bluetooth Headset Wireless Headphone with Mic For PS3 Playstation 3 & Cell Phone Color: Black Bluetooth Wireless connected Noise and Echo Cancellation Function button for: Answering, ending, on, off LED indicator light Receiver / speaker Microphone rotates 225 degrees Power interface / adapter for charging the unit Ear hook Decrease volume key (-) 1 Increase volume key (+) 2 Bluetooth protocol: v2.1 + EDR Frequency: 2.401-2.483GHz Transmission Range: 3feet / 10m Net weight: 43g Power supply: 5.1V DC/120mA Working voltage: 3.7V Battery: Li-ion rechargeable battery Talking time: up to 5 hours Standby time: up to 250 hours Charging time: about 3 hours Matching Instruction: Turn on the button last 5-7 minutes till the indicator light flashes blue and red. You can matching the Bluetooth headset in this situation.