Description: Stereo Bluetooth headset for wireless music plus call functionality. Unique around-the-neck design that's lightweight and comfortable for all-day use. Exceptional audio with noise suppression and echo cancellation. Convenient power slide switch. Magnetic ear buds snap into place when not in use; music controls on neck strap. Free BT Reader app (Android OS) reads your incoming text messages in real time. The (HBS-740) Wireless Stereo Headset is a great Idea for an active enjoyment life. Supported Bluetooth Profiles: Headset， Hands-Free， Advanced Audio Distribution， Audio\/Video Remote Control. Specifications: Model\/MPN: HBS-740 Bluetooth Version: 4.0 Length of headphone cable(one): 25cm Length of data cable: 77cm Features: Microphone， Playback Controls， Calling Functions， Volume Control Talk time: UP to 15 hours Music time: UP to 10 hours Standby time: UP to 15 Days Please charging before using it. Color:White，Blue，Black.Red，Pink Compatible with mobile phone which has Bluetooth 4.0. Package included: 1 x Bluetooth headset 1 x Micro USB Cable 2 x Ear Plug Replacements 1 x User Manual More details: