COLORS:orange， blue， green， red， grayABOUT ME:01. I am a new product. I am a Bluetooth wireless speaker.02. I can also be a mobile food bank. my ability can recharge your mobile phone.03. I support MicroSD card， up to 32GB.04. I has the FM function. (Fm will function better when I connect an audio cable)05. I support free hand when the call response (with MIC).06. I can play music in USB drive directly.07. I can communicate with all readers to available cable to.DELIVERY:ship your order within 24 hours once your payment is confirmed.DELIVERY:for the United States， it will take about 7-16 days to arrive after shipping， it depends on your shipping address and clearance， it will take more days to arrive europe.ABOUT STORE:we are a business bluetooth headset Bluetooth Speakers electronics professionals. we have professional R & amp; amp; amp; amp; D team， we have own factory， own warehourse， own sales team and customer service. buy from us who choose the professional team to service for you.FUNCTIONALITY:01. Product Name: portable speakers02. Battery capacity: 1800mAhVersion 03. Bluetooth: 4.004. transission range: 10m05. colors: orange， blue， green06. Music Playback: 8 hours (medium volume)07. frequency range: 100Hz-16kHz08. Size: 205 * 63 * 43mm09. Working voltage: 3.7V10. SNR: ��85dB11. Waiting time: ��90 hours12. Weight: 360g13. speakers: two stereo speakers