Introducing the BH-504 bluetooth headphones that act as an extension to your Smartphone - these comfortable, durable headphones offer long-lasting performance, even in the most demanding settings and situations. With one press of a button you can quickly switch between calls and music delivered in superb stereo sound, making this bluetooth wireless headset the perfect all-in-one sound solution. Features: Wireless stereo Bluetooth headphones Allows you to conveniently answer calls or listen to music while doing sports Built-in rechargeable lithium battery On-ear design, comfortable to wear Specifications: Brand & Model BH-504 Type Wireless Bluetooth headphones Hands free A2DP, AVRCP Bluetooth Version V2.1+EDR Operating Range Up to 10 m Standby Time Up to 250 hours Input DC:5v/130mA Compatibility Bluetooth enabled digital devices