1.MAGNET ATTRACTION DESIGN: MAGNET ATTRACTION design 2. HD STEREO & NOISE REDUCTION: Equipped with NOISE CANCELLATION technology,provides HD stereo sound quality, supports stereo APT-X lossless music. 3. COMFORTABLE TO WEAR & SWEATPROOF: 10-meter working distance. 4.rechargeable Lithium-poly battery: last up to 6 hours talking time, 4 hours playing time, 1 hours charging time, and about 200 hours standby time. Support IOS DEVICE POWER DISPLAY. 5. LATEST BLUETOOTH 4.0 TECHNOLOGY.