HighlightsIQ Sound 4" Bluetooth Speaker Fire BoxSpecificationBrand - IQ SoundDetails4" Bluetooth Speaker FIRE BOX Features and Specifications - - Built-in Bluetooth 5.0 Compatible- True Wireless Stereo (TWS) - - Connect 2 Speakers Via Bluetooth with TWS Technology So they Can Play at the Same Time and You Can Double Your Audio Output- Fire Light Show, Colorful LED Lights- Dance and Change to the Beat of Music- USB, Micro SD & AUX Inputs Allow You to Connect Your Non-Bluetooth External Audio Devices- FM Radio- 1 Mic Input- Power Supply - DC5V- Maximum Power Consumption - 10W- RMS Power - 5W- System Type - 4' Woofer- Frequency Response - 80Hz-18KHz- Impedance - 3 Ohms- S/N Ratio - 60dB- Micro SD Capacity - 32 GB- USB Drive - Ver. 2.0 Capacity 32GB- Function - Bluetooth/Micro SD/USB/FM /TWS/AUX/Mic Input- Built-In Rechargeable Battery - 1500mAh- Playing Time - Approx. 1.5Hrs- Charging Time - Approx. 5-6 Hrs- Accessories - Charging Cable, and User Manual Dimensions & Weight - - Unit Dimens