Leadzm Sport Bluetooth Headphone, Bluetooth 4.1 Wireless Stereo Sport Headphones Sweatproof Earphones Built-in Mic for iPhone 7 Plus IOS Android Smartphones (blue) Wireless Bluetooth earbuds with advanced Bluetooth 4.1 technology range: 10-20 meter Ergonomically designed: Compact and lightweight wireless earbuds with in-ear design for secure fit and premium quality sound Built-in high quality li-ploymer battery cell provides 5 hours Talk Time and Music Time;it will be your ideal mate when you take exercise or travel alone Pure Sound In-ear white noise and listener fatigue reduction. Eliminates the white noise and delivers a clean audio experience offering hours of pure enjoyment Compatible with iPhone 6 6 plus 5S 5C 5 4S 4, iPods,Samsung Galaxy Note 3, Note 2, S5 S4, S3, S2 Most Android Smart Phones and other Bluetooth-enabled tablets