Audio Bluetooth Speaker With FM Radio 440489

Specifications 1. portable active speaker 2. metal case bluetooth speaker 3. mobile phone speaker 4. PC speaker 5. CE,FCC, RoHS certificate           audio bluetooth speaker with FM radio 440489 1. Application Christmas giftdaily use ( play soft music for pregnant lady or baby, play DJ music in party, play FM radio for old man)  2. specification  Product size 65x50mm QTY 45pcs/ctn G.W 19.5KG Ctn 46.5x29.5x38CM Power Supply DC 5 Volt(built in lithium battery) USB power cord Sensitivity 80dB Output Power 1pc 3W Frequency response 150-18Khz  Line-in configure 3.5mm stereo's plugs          3. Note    1).Please don't use the player under over hot, cold,dusty, or wet environment.    2).Please don't crash the player to avoid polishing the surface    3).Please change the battery under the following situation      A. Batter label shows blank       B. The player become power-off, not able to be started     4).Please cut the power as power and re-start the player if software becomes dead     5).Please manage the files correctly when using the player as portable hard-disk. Any operating mistake could cause to loose data's