Wireless Earbud, HISILI Single Bluetooth Cordless Earbud, Smallest Invisible Bluetooth Earphone Headset Built-in HD Microphone for Call & Music (One PCS) LIGHTWEIGHT & COMFORTABLE -- The wireless earbud weights only 0.1 oz, you can barely notice it while inside your ear. New in ear design, snug and secure, comfortable to wear. Ideal for businessmen, car drivers and others. SUPER SOUND QUALITY -- Thanks to the CSR chip and Bluetooth 4.2 technology, you can get superb crisp, crystal-clear sound quality, makes calls & music clear and stable. NOISE-CANCELING MIC -- This Bluetooth headset built-in HD noise-canceling microphones, optimize your voice and minimize noise caused by wind, movement, and background sounds. You can enjoy hands-free phone calls with high sound quality even walking on the street. LONG PLAYTIME -- Built-in polymer Lithium battery; only 2 hours charge gives you up to 6 - 8 hours talk time/audio play time. Magnetic Inductive charger makes you never have to fiddle with cords, you put Bluetooth earbud to charge and pick it up when you are ready to go. MULTIPOINT CONNECTION -- This wireless smallest earbud could pair with 2 different mobile phones at the same time, thats convenient for the person who has two mobile phones and can switch easily at any time.