The BT Speaker with colorful LED light is your best choice for it is characterized by advanced Wireless BT Technology and FM Radio Function. This Multifunctional speakers will give you gorgeous listening pleasure and wonderful visual experience.Features:BT Connection:Support wirelessly playing music from your smart phone via BT. Compatible with almost all BT-enables audio devices.Colorful LED Light:Colorful LED Light bring your eyes a luxury feast when listening to music, very suitable for camping, parties and more.IP67 Waterproof:IP67 water resistant and dustproof with a strong suction cup make it perfectly suitable for using in the bathroon or outdoors.Hands-free Calling:Built-in high definition microphone enables you to receive calls easily and makes your hands free. It also supports FM Radio function.Endurance Time:Built-in high capacity rechargeable 650mAh Li-ion battery ensures about 6 hours music play time; powered via a MicroUSB charge port.Specification:Model Number: F013BT Version: BT 4.1Operation Distance: Up to 10m / 33ftFrequency Responce: 100Hz-20KHzPower Rating: 5W 4SNR: 852dBBattery: Built-in Rechargeable 650mAh Li-batteryInput Voltage: DC 5VMusic Playing Time: 6 hours (depends on music volume)Charging Time: about 3 hoursMaterial: ABS+SiliconeColor: Blue, Grey (Optional)Item Size: Approx. 8.5 * 5.0cm / 3.34 * 1.96inItem Weight: 184g / 6.51ozPackage Size: 9.4 * 9.4 * 9.3cm / 3.7 * 3.7 * 3.6inPackage Weight: 302g / 10.67ozPackage List:1 * BT Speaker1 * USB Cable1 * English User Manual