The item is a portable and practical mini digital speaker music player, which is and stylish in design, and features compact size and good sound quality to let you indulge in your favorite music anytime and anywhere. Features - Color: Green. - Material: Aluminum alloy. - Size: Approx. 48 x 52mm. - Adopts -magnetic aluminum vibrating diaphragm mini speaker with clear sound quality, to let you indulge in your favorite music. - Support to play MP3 music from your Micro / or U-disk, . - 3.5mm audio input: the speaker can also be connected with your 3.5mm-jack audio devices, such as , , tablet PC, MP3, MP4, etc., to let you enjoy wonderful music. - : With built-in frequency module and telescopic antenna, it can be used to listen to . (Support auto search). - frequency: 87.5~108MHz. - LED display panel to display music playing time, and channel. - Multi-color LED flashing light at the base of the speaker, very cool. - Function buttons: On/Off, Menu, Previous song, Next song, Play/Pause, Volume control. - Powered by built-in rechargeable lithium battery for durable to use. - Portable design, easy to operate and convenient to carry. Specifications - Battery type: built-in 600mAh rechargeable lithium-ion battery. - Input voltage: USB DC 5V. - Playing time: about 2-5 hours after full charge. (The actual playing time on the music volume size). - Music format: support MP3 format. - Output power: 3Wx2 =10%. - Frequency response: 150-18000Hz (±3dB). - ratio: more than or equal to 85dB. - Main interfaces: 1 * Micro / slot, 1 * USB 2.0 port, 1 * mini USB , 1 * 3.5mm audio input, 1 * 3.5mm audio output. Package list: 1 x Mini Digital Speaker 1 x 3.5mm Male to Male Audio Cable 1 x USB Cable