Vibration Portable Bluetooth Speaker

Small Vibration Super Bass Portable Bluetooth Speaker For Desktop Quick Detail: patent technology Original design Twisting for volum turning down and up. Unique style and shape. Description: 1) Patent technology and original design 2) 270 degree volume adjustment 3) About 8hours playback,Special treatment for surface 4) Bluetooth Version: CSS2.0 5) RF Range: up 10~40m 6) CE ROHS FCC certified Specifications: Output Power 3W SNR 80db above Distance 10-30 meters Audio Socket 3