Fun, Stylish, Mini, Cool, Multifunctional, Portable. Hands free kit with auto answer function; supports TF card up to 32 GB and 3.5mm audio jack; touch display for easy volume control; supports Bluetooth version 3.0; Built-in 1000mAh battery with 4 hours music play time; 300 hours standby time. Frequency Range: 70Hz to 18kHz. S/N: 60dB. What's in the box 1 x Kingone K5 Bluetooth Speaker 1 x Micro USB Charging Cable 1 x 3.5mm Auxiliary Cable