Model Number: bluetooth speaker #NR-1015 Brand Name: jk Key Specifications/Special Features: Loud & crystal clear stereo sound from mini portable body.Enjoy music anywhere, anytime.Up to 12 hours long playtime: 2000mAh rechargeable battery which can play up to 12 hours (on default volume) on a single full charge.Support TF card/AUX/USB music play, have every style of music.Colors: black, green, red, blue