Nevenoe Wireless Bluetooth HandFree Sport Stereo Eearphone Headset Headphone with Built in microphone; take and receive calls without changing headsets. The Wireless Sport Earphones Permits you to stream your digital sound collection from a Bluetooth enabled audio device, without the need for wires. The Wireless Sport Earphones also contain an integrated microphone, allowing you to switch between audio streaming and call handling without eliminating the headset for seamless listening, ideal to be used when working out. Bluetooth Headsets offers excellent audio and call quality with outstanding performance, Specifications: - Version: 4.2 Bluetooth Earphone - Speaker: 10mm - Battery: Built in rechargeable battery - Handsfree/Redial/Volume Control/ - Smart Power Off/ What's in the box Nevenoe Bluetooth Sports Earphone with Mic - Blue