1.Output: Rms 3W(3W*1),   frequency:150-18000HZ, Signal and noise ratiopower amplifler: ≥80dB2.3.5MM regular jack,hook up to any IPod, IPhone, digital music device, MP3, phones,etc3.built in rechargeable lithium ion cell                                                                                                      

4.Read mp3 files from TF card and USB drive,                                                5.Can be used as USB drive when plug TF card in6.color: Black, silver, blue, pink, green

gift box40pcs in one cartoncarton size: 30X25X22cmweight: 6.6kgs/carton