LeMocia M-2 Wireless Bluetooth V4.1 Sport In-ear Earbuds, Magnetic Sweatproof Waterproof Headphones for Running, Riding, Workout, Gym with Microphone compatible with iPhone and Android (white) Redefining Sound: Built 2 bass tubes inside to enhance bass performance, CNC unibody metal housing to reduce vibration for excellent sound. Balanced Weight: To different with competitors ugly&heavy control box, design balanced battery and control box for left&right, reduce drop opportunity. Comfortable Fit: Included S/M/L eartips and shark-fin earhooks to ensure a comfortable fit for everyone. IPx-4 Splashproof: IPx-4 protection can withstand dripping sweat, light rain at wet environment use Full Compatible: Connect your device via Bluetooth 4.1, to enjoy stereo excellant sound limited at 30 ft distance.