Fashionable and Portable Wireless Mini Bluetooth Speaker

Specifications -bluetooth speaker -wireless -Support USB TF -for MP3/4,PC,mobilephone -LI battery Product No.:SW-025 Technical parameters: FeaturesBuilt-in battery Built-in rechargeable battery  Audio output 3.5MM stereo audio output interface   Power outage memory can automatically remembers  the tracks when last time exit   Bluetooth  Maximum receiving distance of 10 meters  USB Card reder can connected with the computer  Audio outputearphone SpecificationsFrequency Input TF,Bluetooth, Computer sound card function  Speaker output45mm,Within the magnetic,4Ω5W  Input powerDC5V,3.5mm port line in Power SupplyBuilt-in polymer rechargeable battery 600mAh3.7V or external DC5V   Frequency Response 90HZ-20KHZ SNR≥80dBA  Distortion<1% Work time5-6hours Operating voltage3.7V    AccessoriesUSB Power supply Cable1PCS MINI speaker    1PCS Instruction BOOK         1PCS PackageCarton Size46*26*38cm PCS/CTN60pcs/ctn Speaker Weight270g  - TF CARD &Bluetooth&Poratable speaker - Portable & mini speaker box design, enjoy music everywhere anytime- Built-in battery or USB power supply- With  LED light flashing when music on- Built in Lithium battery playback above 5-6 hours- Adapt to different kinds of device, such as mp3/4, CD, radio, mobile phone, pc     1.[ON/OFF]: ON is turn on, OFF is turn off 2. [ - ]: Short press:last song(TF/Bluetooth mode)                 Long press: "VOL-" 3.[ + ]: Short press:Next song(TF/Bluetooth mode)              Long press: "VOL+" 4.[USB]:  Charging and USB card reader; USB cable can connect the computer's USB  interface,                 LED display 'PC' mode,then enter  into  USB card reader mode; 5.[Audio Interface]:Earphone jack, can connected with 3.5MM stereo,also connect the amplifier  device. 6.[TF CARD]:Insert TF card, play audio files