Bluetooth Headsets, Sikadeer HV-900 Music Sports Headphones, Wireless Hands-free Bluetooth Headsets with Mic Neckband Noise Cancelling Earbuds, for Cell Phones (HV-900-Black) 1. High-Tec Bluetooth Headset: with cutting edge design, Aptx technology, and a high level of performance and reliability in a mobile device. 2. Built-in Magnetic Ear Piece: simple, unique approach to cord management. The easy access jog button allows fluid one-touch volume and music control while ear gels make you comfortable for all-day wear and use. 3. High Stereo Sound Quality and Competitive Price: The sleek metallic finish and ergonomic design of wireless headphone is attractive, and Harman Kardon Signature Sound delivers premium audio quality. 4. Ultra Durable Built-in Rechargeable Lithium Battery: up to 10 hours music time, 11 hours talk time and up to 240 hours standby time. 90 days warranty period, any quality problems could be exchanged or refund from our customers. 5. Practical Tunes Works All Day: Tone+ will vibrate if any call comes and hint once battery gets low. Ideal Bluetooth headphone for relaxing at home, making dinner, driving, or any other outdoorexercise.