<p> Features:<br/>Ergonomic design, comfortable to wear.<br/>With built in microphone,it is very convenient for you to accept or decline phone calls handfreely.<br/>Compatible with most smart Bluetooth devices, including all Android and IOS smartphones.<br/>Features noise canceling technology, deliver high quality sound and provides you clearer voice for calls. <br/>With a magnet built inside the charger, very convenient to charge.<br/><br/>Descriptions:<br/>Bluetooth version: 4.1<br/>Transmission range: Accessible 10 meters<br/>Talk time: 3-4 hours<br/>Charging time: 1-2 hours (red light when charging, full of blue light)<br/>Battery capacity: 40mA<br/>Channel: Stereo<br/>Features: Call Pickup / Reject, Music Play / Pause, Music Support, Call Function<br/><br/>Specifications:<br/>Model NO.: X11<br/>Material: plastic <br/>Headphone size: 2.5 * 2cm<br/>Packaging size: 7 * 7 * 2.5cm<br/>Color: black, white, rose gold, beige<br/><br/>Package included:<br/>1 x X11 Mini Bluetooth Headphone<br/>1 x USB Charging Base <br/>1 x Manual<br/><br/>Notes:<br/>1.Due to the difference between different monitors,the picture may not reflect the actual color of the item. We guarantee the style is the same as shown in the pictures.<br/>2.Due to the manual measurement and different measurement methods, please allow 1-3cm deviation.Thanks! </p>