Sport Wireless Mini Bluetooth Headphones BT-H06 Stereo Headset with Microphone, In-ear Stereo Earphone with 2.4GHz Frequency Range and 20-20KHz Frequency Response, Bluetooth 3.0 + EDR, Compatible with V4.0 and V2.1, Multiple Cool Color Choices for Fashion Pioneers (Black) This product allows you to conveniently switch calls and music so that you will not miss the incoming call while listening to music. Answer and end the call at a click of a button is also so convenient Immediately songs selection and volume control with"+ "and "-" buttons. And the in-ear design and the secure earbuds makes it convenient to wear when you take some exercise and all day wearing Charging the built-in rechargeable lithium battery through micro USB port. Long time use with about 5hrs play time Advance Bluetooth V3.0 + EDR and supports HSP, HFP, A2DP, AVRCP profiles and gives a stable and fast signal transmission up to 10m range Its multiple cool color (black/ green/ blue) provides a variety of choices for fashion pioneers