Features: - Bluetooth: - Version: 5.0 - Profiles: A2DP, AVRCP - Range: 10 m - Chipset: JL - Driver: 3" - Frequency Range: 100 Hz – 20 kHz - Sensitivity: 86 dB ± 3 dB - Battery: 1 500 mAh - Signal to Noise Ratio: 65 dB - Total Power Output: 8 W RMS = 12 W Peak - Max. Size for USB Drive: 32 GB - Aux: 3.5 mm Stereo Jack - Playtime: 2 – 4 Hours - FM Radio Range: 87.5 – 108.0 MHz - Charge Time: 4 Hours - Impedance: 4 ? What's in the box 1 x Speaker