Portable Bluetooth Speaker, ZENBRE M4 Bluetooth 4.2 Mini Speakers, Pocket Size Wireless Speakers with Enhanced Bass Resonator, Built-in Mic for Phone Call, 5-Hour Playtime (Blue) Light your bag, boost your musicUltra mini design (6.9 x 4.7 x 4.7 cm,2.99 pounds) with a remarkable 3W / 2IN driver. Perfect fit to bedroom, as a private room-theater! Ultra-portable, Easy to UseWith cute and cylindrical design, it could be held tightly in the palm of your hand. It has only two buttons. Simple your life, make it more easy by turn on/off! Bluetooth 3.0 + EDRAdvanced Bluetooth tech offers an extended 33ft range, Connect Bluetooth device in seconds. Hands-free, Built-in microphone, USBchargeHands-free answering call supported by a built-in Mic. Ithas two ways to foster your musical enjoyment. Support to smartphones, tablets,laptops, Android, iOS, Windows and Eho Dot. Helpful feature If you have a small group meeting, if you want to watch movies by PC, if you want to have a small party at home, the sound is particularly sexy!