PRODUCT:colorful led pulse bluetooth speakerCOLORS:yellow， grey， blackABOUT ME:01. I am a new product. You can use me to listen music when you are outdoor or indoor.02. I can compatible with all bluetooth enabled digital devices03. I can be as a mobile power bank. My capacity can charge your mobile phone. 04. I have led flash light offers disc-like dancing experience05. I built-in microphone， support hands free calls06. I has FM function. (fm function will better when i am pluged in audio cable) 07. I can directly playing mp3 files in TF / micro sd memory card08. I can play music in usb disk directly.SHIPPING:ship your order within 24 hours once your payment is confirmed.DELIVERY:for the united states， it will take around 7-16 days to arrive after shipping， it depend your shipping address and customs clearance， it will take more days to arrive europe countries.ABOUT STORE: we are a professional electronic bluetooth speakers， bluetooth headset company. we have professional R&D team， we have own factory， own warehourse， own sales team and customer service. buy from us that choose the professional team to service for you.FEATURE: 01. product name: portable speakers02. battery capacity: 2000mAH03. bluetooth version: 3.004. transission range: 10m05. colors: yellow， grey， black06. music play: 10 hours07. frequency range: 20hz-18khz08. size: 210*80*80mm09. work voltage: 3.7v10. snr: ��80db11. standby time: ��90 hours12. weight: 610gPACKAGE INCLUDE:1 x bluetooth speaker1 x usb charge cable1 x aux in cable1 x user's manual