COLORS: black,orange, blue, green,red,grey ABOUT ME: 01. I am a new product. I am a bluetooth wireless speaker. 02. I can be as a mobile power bank. my capacity can charge your mobile phone. 03. I support MicroSD card, and Up to 32GB. 04. I has FM function. (fm function will better when i am plug in audio cable) 05. I support hand-free when answer calling (with MIC). 06. I can play music in usb disk directly. 07. I can contact any drives that aux available by aux in cable. 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 speakers 02. battery capacity: 1800mAH 03. bluetooth version: 4.0 04. transission range: 10m 05. colors: orange, blue, green 06. music play: 8 hours (middle volume) 07. frequency range: 100hz-16khz 08. size: 205*63*43mm 09. work voltage: 3.7v 10. snr: 85db 11. standby time: 90 hours 12. weight: 360g 13. speakers: dual-speaker stereo PACKAGE INCLUDE: 1 x bluetooth speaker 1 x usb charge cable