The sound uses natural bamboo design box, the design is simple, natural, simple, technology; Support MP3, WAV, also supports lossless format FLAC / APE decoding, 24-bit output. full-bamboo shell, closed box design, showing perfect sound quality at 3.7V voltage input design; High-quality 3W speaker speakers, with the latest circuit design, give full play to the high, medium, and low recognition in 2-channel stereo; Built-in 18650 rechargeable lithium battery, 1800mA large capacity, long time for playing, can be played continuously for more than 12 hours The whole machine adopts the standard charging interface of Android mobile phone, rich interface, U disk can be identified, TF memory card, continuous mobile phone, MP3, MP4, computers, and other equipment; With FM FM radio function, automatically search for radio and store, external stainless steel telescopic antenna, so that the radio effect is better; Power: 6W*2 DC power supply: DC5V 4.0 Wireless bluetooth Transmission Battery capacity: 1800mAh Removable 18650 battery Three-stage shutdown Frequency response: 20HZ~20KHZ full frequency speaker FM reception frequency: 87.5-108MHZ FM HD Receiver Stereo Effect Colour:Photo Color Material:wood Package Contents: 1 x Wooden Retro Speaker 1 x Remote Control Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.