✓ 3 YEARS WARRANTY: Your satisfaction keep us never stop! With a ultra-long warranty period- 3 Years after purchase. Please e-mail us for any query and you will get a timely and satisfactory reply. ✓ ULTRA-LONG CONNECTED DISTANCE: 15M longer connected distance, which can truly provide you a REAL freedom. ✓ WEARING COMFORTABLE: With the superior lightweight design of 0.35oz/ 10g, 360°adjustable earbud perfectly fits for your left or right ear, this bluetooth earpiece would not cause any burden to your ears, thus providing lasting wearing comfort. ✓ NOISE CANCELLATION: CSR Stereo Bluetooth Processor + Top CVC 6.0 Noise canceling technology. Automatic filtering noise. Supporting mute function when call comes in. Supporting connect to two cell phones or computers at the same time. Designed for iPhone series, Samsung, HTC, LG, SONY, PC, Laptop, etc. ✓ ULTRA-LONG BATTERY: This bluetooth headset built in 260mAh lithium battery, up to 22h music time, 24h talk time, 60 days standby, only 2-3h charge time.