WAAV Runner Wireless Bluetooth Headphones (Black) Noise Canceling Headphones w/ Mic [ Sports / Running / Gym / Exercise/ Sweatproof ] Wireless Bluetooth Earbuds Headset Earphones for iPhone / Android Enjoy crystal clear music and calls with a comfortable fit and simple on-ear controls Multi-device Bluetooth 4.0 + EDR allows music listening and phone calls from up to 30 feet Talk time: 4 to 6 hours with a 150 hour standby time and 1.5 hour charging time Our sweatproof, stylish design is perfect for both indoor and outdoor use. Rechargeable battery included. Uses micro USB charging port.