Description:Multi-function: This kind of speaker is designed with radio and flashlight functions, meeting your different needs in different occasions, you can order according to your needs. Speaker Mode: This speaker supports 4 kinds of playback modes, including radio, TF card, U disk and bluetooth compatible function, you can use it at any time. Wireless: This bluetooth compatible speaker works with 5.1 version, which provides stable connection and HiFi sound, you can answer calls through the built-in microphone, and the effective distance is about 10m. Battery: The radio is equipped with a built-in 1200mAh rechargeable battery, which is powered by solar energy and can be used for a long time after fully charged. Portable: This multifunctional speaker is easy to store and carry, suitable for home, camping, hiking, backpacking, picnic and more, you can put it in your backpack without worrying about taking up so much space. Specification:Material: ABS. Color: Blue, Black, Red. Size: Approx. 220*65*95mm/8.66x2.56x3.74inch.Input: 5V. Output power: 1x5W.Speaker: 2,2 Omega;, 5W. Bluetooth compatible version: 5.1.Operating voltage: DC 5V. Battery life: 3-8h. Flashlight power: 1W. Battery capacity: built-in 1200mAh. Frequency response range: 100HZ-20KHZ. Expansion memory: 32GB. Effective Distance: Approx. 10m/32.81ft. Function: TF card, U disk, bluetooth compatible, solar battery, radio, calling, flashlight. Playing time: about 8h. A