Bluetooth Headphones,Parasom A1 Magnetic V4.1 Wireless Stereo Bluetooth Earphones Sport Headset In-Ear Noise Cancelling Headphone Earbuds for Gym Running -Sweatproof, Microphone (Black/red) [3 Ways of Fit Styles] With 3 ways of fit styles, you can enjoy the music at home freely. With specially designed ear hooks, you will never worry about the earbuds to be fallen off for a gym or workout. [Magnetic Feature] The earplug can be magnetically attached to each other back-to-back, forming a loop around your neck. You will never worry about the earbuds to be lost for during workout and sports. [Music & Calls Control] Wireless Bluetooth Earphones allow auto switching between music and calls. You can control all functions of music and calls easily via the buttons of Bluetooth headset. Built-in microphone enables taking hands-free calls while listening to music. [Bluetooth 4.1 Technology] Supports connect two devices simultaneously and allows to automatically connect after paired successfully for the first time. HD STEREO & NOISE CANCELLATION: Adopted CVC Version 6.0 NOISE CANCELLATION technology, guarantees HD stereo sound quality and provides steady Bluetooth signal and support stereo lossless music. Compatible with most cell phones. iPhone and Android. [Long-Lasting Usage & Lightweight Design] Up to 6 hours talk time and 4-5 hours music time, 100 hours standby time, 2 hours charging time. Super Light Weight Design, the net weight is only 16.2g, you will feel nothing for gym and workout.