Etekcity RoverBeats F1 Over-Ear Wireless Bluetooth Headphones 4.0+EDR HI-FI Stereo on-Ear Headset with Microphone (Black) Backward compatible Bluetooth 4.0 + EDR chip with HIFI Stereo provides faster data rate and extended battery life. Enjoy every beat with up to 10 hours of playback Built in mic with HSP / HFP bluetooth profiles and 33 ft. wireless range. Take phone calls without missing a beat and say goodbye to tangles and wires Enhanced noise reduction offers clear quality audio for music listening and phone calls; Compatible with all Bluetooth capable devices Includes full function button control and LED status indicator for complete music navigation and phone call control. Keep your music in your pocket 1 Year Warranty. Light weighted, comfortable wear for a variety of uses. Battery status alerts for iOS devices and rapid recharge time allow users the highest energy efficiency