About the product the portable Bluetooth speaker with loudspeaker with flashing lights, built-in rechargeable battery, provide super bass music, with the portable design, so you can take Bose sound anywhere. Feature: 1. Bluetooth V2.1, 10 meters wireless connectivity. 2. Easy to carry, Support Bluetooth wireless play function. 3. Easy to operate. Support USB / AUX / TF(Micro SD Card) / FM / Bluetooth. 4. High quality, good frequency response. Low power consumption. 5. Support the phone, computer, smart phones, Bluetooth mobile phone, wireless Bluetooth transmission music. 6. Built-in 600MA rechargeable lithium battery, suitable to enjoy the music at home, outdoors. 7. TF Card loss less audio decode ( TF card not included) 8. AUX Audio input, with main volume adjusting. 9. Colorful LED light displaying. Specification: Item Type: Bluetooth Speaker Material: ABS Panel + Woody Speaker Box Color: Black, Blue, Red Bluetooth: V2.1 Loudspeaker Output: 15W Maximum Output: 30W Frequency Response: 70Hz-12kHz Signal-to-Noise: 95dB Distortion: <0.5% Battery: 600mAh Rechargeable Lithium Battery Charging Time: 2 hours Playing Time: 3-4 hours Battery Voltage: 5V Feature Function: Bluetooth/TF/USB/FM radio/AUX Operation Range: 10m Driver Unit: 4 inch Package Weight: 580 g Packing List: 1 x Bluetooth Speaker 1 x USB Charging Cable