Description: Features:1. Support TF card to play MP3 directly. TF card not included.2. Built in 520mA/3.7V rechargeable battery, charged by computer via USB interface3. Support mobile phone hands-free function.4. White, pink, blue color available.5. With LED light.Descriptions:1. Play songs through AUX, Bluetooth, TF memory card.2. Speaker has a built-in microphone so you can take calls on the speaker.3. Portable, convenient to carrySpecifications:Material: metal & plasticColor: white, pink, blueSize: 76*76*83mmModel: M-28Power rating: 3WPower indicator: 4VFrequency Response: 100Hz-18KHzS/N ratio: ＞65dbContinuous working: 3-5 hoursCharging Voltage: DC 5VPackage Included:1 x Wireless Bluetooth Speaker1 x USB charging cableNote:Item color displayed in photos may be showing slightly different on your computer monitor since monitors are not calibrated same. Please allow slight deviation due to manual measurement. Thank you!