Bluetooth headphones, Liger XS700 Bluetooth Stereo Sweat proof, Jogger, Running, Sport Earbuds with Mic Hands-free Calling (Blue) BLUETOOTH: 4.0 technology; easy and fast pairing with smartphones, tablets and other Bluetooth enabled music devices; Liger provides pure, CD-like high quality sound for compatible devices. Noise Cancellation technology reduces outside noises, enable clearer sound from microphone, you get high quality, hands-free phone conversation even on the street or inside shopping mall. SIGNAL ENHANCED TECHNOLOGY: Using Liger on your body without traditional limitations. Even put them in bag at the gym and workout at a good distance without the signal dropping. Perfect protection system: protected you against sweat and moisture damage. BALANCED: Two powerful audio drivers on each side offering balanced audio and crystal clear sounds, providing a comfortable and dynamic listening experience. Comfortable and stable design for all levels of exercise make easy accessible on-ear controls when you keep moving and eliminates troublesome wires tangling while you control your music or calls. SPORTS FRIENDLY: Compatible with most Bluetooth-enabled cell phones; reduces noise, wind and echo. Comfortable and secure design fits perfectly to your ear; the cable smartly stays out of your way when running, jogging or exercising. SUPER BASS: these headphones have super bass for your best music experience. Smart Wireless - No audio plug connection, it will pair with Bluetooth compatible devices with no delay after first pairing. Will automatically connect to your devices. Up to 5 hours of continuous talking / music time and up to 175 hours of standby with a single charge, so you have less time charging and more time doing. Every charge can be used 8-9 hours with light play, 4-6 hours with heavy play.