Intcrown Wireless Bluetooth 4.0 Headset, Stereo Headphone with Charging Dock, Handsfree Earphone for iPhone 5s 5c 5 4s 4, for iPad 5 4 3 2, for iPad Mini, Earbuds for Samsung Galaxy S5 S4 S3, for Note 3 2, for LG G2 ,for all Android Bluetooth Devices (Blue) Bluetooth V4.0,CSR chip;Build-in DSP for noise reduction and echo cancellation;just pick up to automatically connect and answer a call Easy to pair and use with any mobile devices with Bluetooth such as iphone, Samsung, HTC, LG, Android phones and other brand phones with Bluetooth. Multipoint function allows to pair up to two Bluetooth devices,Support In-car dock Charging and USB charging at home or office Play music from your mobile phones; Hands free calling; Incoming call number reading; Stand-by time: About 150 hours; Talk time: 4 to 6 hours; Charging time: 2 hours; High sensitivity microphone; Work distance: about 10 meters; Weight: 25g