S30 Wireless Bluetooth Sport Stereo Ear Hook Earphone with Volume Control + Mic Support Handfree Call for iPhone Samsung HTC Sony and other Smartphones(Black)

1. Wireless Bluetooth earphone. 2. Bluetooth V4.1 technology: More rapid transmission. 3. Built-in Microphone: Supports hands-free calls. 4. Wire Control: Supports volume adjustment song switch answer calls. 5. Support caller number voice broadcast. 6. Noise reduction sound effects: Provides the clear talking and undisturbed music. 7. Support automatically shut down when has not signal. 8. Built-in 120mAh Lithium battery low power dissipation long working time. 9. Sweatproof design. 10. Ergonomic earbud design comfortable to wear. 11. Ear hook hanging design wear more solid.