-bluetooth speaker -wireless -Support USB ,TF, , -for MP3/4,PC,mobilephone -Rechargeable battery Product No.:SW-025Technical ... 26*38cmPCS/CTN60pcs/ctnSpeaker Weight270g - TF CARD &Bluetooth&Poratable speaker - Portable & mini speaker box design, enjoy music everywhere anytime- Built-in battery ... -6 hours- Adapt to different kinds of device, such as mp3/4, CD, radio, mobile phone, pc1.[ON/OFF]: ON ...