Etekcity RoverBeats F1 Bluetooth 4.0+EDR Wireless Headset with Microphone(Certified Refurbished) This Certified Refurbished product is tested &amp; certified by Etekcity to look and work like-new. The product includes all original accessories, and is backed by a 90-day warranty 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.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