KOLEER S28 Wireless Bluetooth 5.0 Portable Speaker / Solar Rechargeable / Super Bass / FM Radio / TF Slot / AUX • Features • 1. Super Bass • 2. High capacity rechargeable lithium battery • 3. Support various audio input : Memory card , BT , FM, USB drive / AUX • 4. High quality, unique design.elegant style • 5. Stereo effect, microphone super clear call • 6. Solar Rechargeable • 7. LED torch lightSPECIFICATIONS • Power output : 5W • Frequency Response : 70Hz - 18K • Noise Rate : >80dB • Transmission Distance : 15M • Version : 5.0+EDR • USB Voltage : DC 5V • Speaker Size : 13.5 x 7.5 x 4cm • Play time : up to 3 hour • Battery Capacity : 1200mAh