Aphse Wireless Bluetooth Headphone 4.0 Stereo Earphone Lightweight Headset Sweatproof Comfort Stereo Running/Exercise in-Ear Earbuds with Mic for iPhones and More (Black) UNIQUE TECHNOLOGY - Latest Wireless Bluetooth 4.0 Technology Two powerful audio drivers on each side offering balanced audio and crystal clear sounds, providing a comfortable and dynamic listening experience, CD-like high quality sound for compatible devices COMFORTABLE IN-EAR DESIGN - Designed to be snug, moderate and comfortable, make sure the headset stay put and the music stays smooth, ideal for high quality music while running, jogging, cycling, skating, etc ULTRA QUIET - CVC 6.0 digital noise reduction technology intelligently filter ambient noise to ensure perfect Hi-Fi sound quality. You can enjoy the original music in deep bass and enjoy shopping at any time. EXCELLENT PERFORMANCE - Polymer battery supports 8 hours playing or talking time and 175 hours standby time with a single charge. The range of pairing Bluetooth devices can reach up to 10 meters. Good noise isolation to create the optimal environment for listening to your favorite tunes, built-in microphone with noise cancellation for clear calling and friends chatting PAIR TWO AT THE SAME TIME - Superbly comfortable rubber adapters and unique design ensure that earphones always stay in place no matter your level of activity. Aphse Bluetooth headphones can pair with 2 different Bluetooth devices simultaneously, such as Apple iPhone iPad iPod, Samsung Galaxy, and any other Bluetooth devices.