Features:?Compact、 ultra Light Design Stereo Bluetooth Headset、 Portable And Easy To Carry.?4.0 smart chip、Efficient transmission speed.?Excellent sound and clear voices with Humanity Design.?Allows you to conveniently answer calls while driving.?High-fidelity sound quality、 Wireless songs enjoy?Voice report number、 low power remind、Connect/disconnect remind、Boot off prompts.?Supports Two Mobile Phones Simultaneously Connected.?Long battery life、 fast charging.?Bluetooth V4.0、 Superior Compatibility.?Compatible For Almost All The Mobile Phones And Tablet PC、 etc.?Only need to pair once and easy to pair、 beeps when it is running low.Specifications: ∵ Bluetooth version: Bluetooth V4.0 + EDR∵ Bluetooth mode: Bluetooth/Headset/A2DP∵Radio frequency: 2.402-2.480GHz∵ Transmission Level: CLASS 2∵Support A2DP: music play (audio output: 3.5mW、 Play/Pause)∵Work range: 10 meters∵Charging system: AC input: 110V-220V DC; output: 5V∵Charging time: 4 hours∵Noise cancel MIC: samsung/Iphone hign quality silicon label is used in this Bluetooth Headset∵Wearing style: in-ear， invisible patent product∵Color: Black、 White、 Blue、Pink、Gold∵Weight: about 6gPackage Include: ∵1 x Bluetooth Headset∵1 x USB cable∵1 x User Manul⊃Note:This item don't included retail box、thank you!