LKE Wireless Earbuds, Bluetooth Headphones, V5.0 in Ear Headphones 3D Stereo Sound, 18Hrs Play Time, Sports Earphones Headset, Built in Microphone & Dual Speakers with Charging Case 1. Stylish bluetooth earpiece, invisible, smallest and one-button design, only 4.9g, lighter than an one-dollar coins, perfectly safe for use in car. You can even enjoy music while class, train, meeting etc. 2. Built-in high performance rechargeable Lithium-poly 45mAh battery, enjoy about 3 hours of premium quality talk/play time (full charge in around 1-2 hours), up to 70 hours standby time. Support IOS DEVICE POWER DISPLAY. 3. Built-in HD and Sensitivity microphone with acoustic echo cancellation, ideal for in car calling and friends chatting, or working use. 4. BLUETOOTH V4.1: Easy and fast pairing with smartphones, tablets and other Bluetooth enabled devices. Connected with TWO smartphones or Tablets at the same time, the wireless range up to 33ft (10meters). Versatile compatible with iPhone 6S 6 Plus, Samsung Galaxy S7 S6, LG G5 G4 G3, iPod touch, ipod shuffle, ipod nano, BlackBerry, HTC, iPad, Bluetooth-enabled tablets. 5. Support Stream Music/Video/Audio. Its hands-free function would release your hands from answering the call during driving or walking.