3 The perfect karaoke Speaker Wireless connectivity thanks to the bluetooth function. A number of built-in sockets (USB, SD, AUX) allow us to enjoy our favorite music from various external media. Clean and clear sound at home or outdoors. Built-in FM radio. Maximum power 100W. Wireless loudspeaker will give us clear clear sound at home or outdoors. It will allow you to listen to FM radio and your favorite music from your smartphone or other storage medium. It is equipped with Bluetooth and a number of sockets (USB, SD, AUX). In addition, the BT 810 model will allow us to organize exciting karaoke performances. Despite the large dimensions it is comfortable to carry and will always provide us with a good mood in any outdoor meetings. Features of the product: Bluetooth: 2.1 + EDR Speaker: 5.25 " Maximum power: 100W Impedance: 4 Ohms Frequency range: 100 Hz - 20 KHz Radio: 87.5 MHz - 108 MHz Bluetooth range: ~ 10m AUX inputs: 3.5mm jack Charging current: DC 5V Battery capacity: 1500 mAh Charging time: 1 ~ 2 hours Playback time: up to 3 hours Microphone input Selecting the signal (Bluetooth, USB, SD, FM, AUX) Volume control