HOCO WIRELESS SPEAKER BIG HORN 15W COOL ENJOY SPORTS BT SPEAKER SOUND QUALITY DETACHABLE STRAP / A2DP AVRCP HFP / 3.5 HOURS BATTERY / 4 HOURSMUSIC / 2400 mAh / WIRELESS V5.0 / 292mmX139mmX132mm / 80~20000Hz / DC 5V / WEIGHT 1.5KG / 76mmX2 / RANGE 10m