COLORS:Orange， Blue， GreenBluetooth CRS 4.0 ，Waterproof，Dustproof ，Shockproof，1800mah Power bank ，TF USB FM Radio function，HiFi，Hand-free Speaker，Dual Speaker Bass Sound Speakers，Built in micSpecifications:Bluetooth Resolution:CSR 4.0Frequency Response: 100hz-16khzBattery Li-ion:3.7VBattery Capacity:1800mAhDimensions: 205*63*43mmOn/Off/Bluetooth switchRange:upto 10 metres open fieldMusic Play: 8 hours (middle volume)Snr: ��85dbStandby Time: ��90 hoursWeight: 360gSpeakers: dual-speaker stereoAudio port:TF/USB/AUXSpeaker:Double speakers 4��3W��40mmFM Frequency Range:87.5-108MHzCharging time:2.5-3.5 hoursCharging interface:Micro-USBPackage contents:1 x bluetooth speaker1 x usb charge cable1 x aux in cable