SonicGear AudioX Pro 500 HD Portable Bluetooth Speaker

Features -True Wireless Stereo Function -Support USB/TF Card -FM Radio -AUX-in Function -Karaoke Function -Rechargeable Lithium Battery Specifications -Total System Power: 20W -Pure System Power (RMS): 10W -Frequency Response: 150Hz to 18KHz -Driver Unit: 1 x 4" -Impendence (Ohm): 3 -S/N Ratio (dB): ≥80 -Separation (dB): ≥45 -Distortion (%): ≤1.0 Bluetooth Range (M): 10 Bluetooth Pairing Name: AUDIOX PRO 500 HD Bluetooth Profile Supported: A2DP USB & TF Support: Yes (Max 32GB) FM Radio (MHz): 87.5 to 108.0 Battery Capacity: Built-in 2400mAh / 3.7V Battery Type: Li-ion Battery Playback Time: 4hrs at 50% Volume Scale DC Input: USB 5V Speaker Dimension: L160 x W151 x H229 mm