All-day comfort and wind-noise reduction. Sitting closely and lightly behind your ear, the Bluetooth headset prevents wind and background noise from interfering with your conversations. And with its carefully placed mic and DSP technology, the sound quality is always crystal clear. When you wear the bluetooth, you hear every word. The bluetooth is slim and exceptionally comfortable. A new more advanced version of the classic behind-the ear style, it can be worn with ease all day long. If at any point the connection with your mobile is interrupted, the headset will simply tell you so via Voice Guidance. It will also inform you if it is soon time to recharge. The Bluetooth makes sure you never miss an opportunity. Wear it to work, on the move or in the car. Wireless Bluetooth Headphones Stereo Bass Headset with Mic Business Bluetooth Earphones for iPhone Xiaomi Huawei Nokia Gionee SmartphonesThe receiver can rotate 180 degrees and be worn in both left and right ears.Support power display, keep abreast of Headphone Power and charge it in time.Equipped with large capacity batteries, long standby time,.High-sensitivity microphone reduces ambient noises and grasps the detail of voice, ideal for in-car calling or working use. Ergonomic design, lightweight, mini ear caps provide you long time wearing comfort, and guarantees stability when walking, running and more.Can connect 2 device at the same time, pair with the first device, turn off the earphone and connect the second device, then reconnect the first device, the headset will connect the two device.