✔ NOISE CANCELLATION: Link Dream Blutooth earpiece provide CSR Stereo Bluetooth Processor+ Top CVC 6.0 noise canceling technology, which automatic filtering noise. Supporting mute function when calls come in..✔ ULTRA-LONG BATTERY: This bluetooth headset built in 260mAh lithium battery, it lasts up to 22h for music time, 24h for talk time, 60 days standby, only need 2-3h to be full charged..✔ 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..✔ ULTRA-LONG CONNECTED DISTANCE: 15M longer connected distance, which can truly provide you a REAL freedom. This bluetooth earpiece could connect with 2 different bluetooth devices at the sae time. Designed for iOS/ Android, iPhone series, Samsung, HTC, LG, SONY, PC, Laptop, etc..✔ 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.