wireless bluetooth speakers led metal steel mini portable speaker smart hands free speaker fm radio bass boombox support sd card

Features High Speed Bluetooth Transmitting With Bluetooth 3.0 wireless technology, high-speed data transmission, strong anti-interference, it can be used indoors or outdoors. Fashion and Convenient Features with volume control function, convenient to operate. Fashion and graceful appearance makes it become an ornament of your desk. Acoustic and Aesthetics Design Specially Accord with acoustic and aesthetics design principle and it sounds distinct. Large Battery Capacity With built-in 400mAh capacity lithium battery, it can meet the needs of all-weather outdoor music player. Hand Free Calling Built-in microphone for hands-free calls, free your hands and keep your safety in driving. Specification Output Power 3W Battery Capacity 400mAh Battery Voltage 3.7V Charging Current 200mA Output Frequency 150Hz-20KHz Product Size 71(diameter) x 42mm Product Weight 170g Music Playing Time Over 2.5 hours Talking Time Over 4.5 hours Standby Time Over 20 hours