Wireless Bluetooth Earphones,Sport IPX4 Sweat-proof Stereo Voice Running Headphone with 6-Hour Playtime In-Ear Hook Headset Yingxin (Red) Wide compatible: fully compatible with phone,Android smartphones,tablets,computer, laptop devices, and the other Bluetooth devices, also with Chinese and English switching founction. High-Fidelity Sound: the audio performance is compatible with SBS,MP3,AAC,Stereo.When your phone or tablet are connected via the Bluetooth 4.1,you can instantly enjoy the crisp, skip-free stereo sound from the headsets. Comfortable Fit: Experienced in earphone designed, this in-ear ear-hooks will ensure a comfortable for you guys. hook design prevents troublesome from tangling while you're working out. Ergonomic design to optimize the ultimate wearing comfort to match your daily lifes, such as running, cycling, camping, hiking gym exercise and other outdoor sports. IPX4 Splash-proof: the Bluetooth earbud headphones is rated IP 4,you gonna have a please time with it when you workout.