Hot Selling Wireless and Bluetooth Speaker

Specifications hot selling wireless and bluetooth Speaker 1. support sd card, 2.mp3 play speaker 3. handsfree function phone  hot selling wireless and  bluetooth Speaker   ----------Features----------------------------------------------------------1. High Glossy Surface 2. Easy access volume control3. Excellent Sound Performance4. Plug and Play / No Driver Installation Required5. Magnetically Shielded to prevent distortion from screens6. Compatible with all Brand Name and Model PCs and Laptops ----------Specification-----------------------------------------------------   Basic InformationMaterial Stainless steel + ABSAvailable ColorBlack, Silver, Blue, Red,Tarnish,Net Weight250 gSize60*60*50 mmLogoOEMAccessoriesUSB cable, audio cable, user manualPacking infoGift Box 111*68.5*70mmCarton Size50 pcs/carton     47.5*40*20cm; G.W./N.W.: 17.6/17.25KGSpecificationBluetooth SpecificationV3.0RF Range12-15MTHD ≤0.5%Frequency Response20HZ-20K HZWorking voltage/current3.3~4.5VSignal-To-Noise85±2dBHands-free functionYesFM radio YesTF cardYesLoudspeaker Output4Ω3WCharging voltage/currentDC 5V  USBBattery Capacity600mAhCharging Time1~2hoursPlayback Time4~5hours