Feature: 1. 360 Surround High-Fidelity Sound. 2. Multifunctional Bluetooth-compatible audio: Bluetooth-compatible playback, insert memory card playback, USB playback, AUX audio playback. 3. One-key hands-free ing: After connecting with the mobile phone Bluetooth-compatible, no matter in any playback mode, the speaker can the phone hands-free on the speaker when the call comes. 4. Classic design, knob adjustment. 5. Light and exquisite, compact and portable, leather handle design, firm and durable, easy to carry outdoors. Specification: Product name: HM11 second generation retro Bluetooth-compatible speaker Play time: 1-2 hours Speaker: 3W Frequency response: 50HZ-20KHZ Battery: 3.7V 400mAh Signal-to-noise ratio: 90DB Receiving distance: 10 meters Charging time: 2-3 hours Single net weight: about 190g Single gross weight: about 210g Product size: about 95.3*86*43.3mm Packing size: about 115*92*46mm Supported functions: Bluetooth-compatible/U disk/TF card/audio output Note: Due to the different monitor and light effect, the actual color of the item might be slightly different from the color showed on the pictures. Thank you Please allow 1-2cm measuring deviation due to manual measurement. Package Content: 1*Speaker 1*Charging Cable Material: Plastic Label: Yes