Six colors are available Black, pink, gray, red, white, green After-sales description: one year warranty Within 12 hours of submitting the order, please leave a message to us to tell the color If there is no there is no remark, we will send it in yellow style Connection method: Bluetooth connection Output power: 3W Playing time: about 4 hours of continuous playback Effective distance: 10 meters Speaker adjustment method: button Appearance size: 131mm*69mm*46mm Type: Bluetooth speaker Frequency response range: 80Hz-20KHz Power supply mode: built-in lithium battery Number of speakers: 1 Working mode: button Material of the shell: ABS plastic Housing material: ABS Power mode: USB Brand: Neutral Supply category: spot Interface type: USB Signal to noise ratio: 75dB Bluetooth protocol: 5 Function: card, waterproof , radio, dustproof, voice prompt, NFC Display function age: Yes Is there a radio function: yes Product weight: 386g (KG)