Rechargeable Speaker 2x4" 10W LED Lights Bluetooth/FM/USB KSC-689 Wireless Remote Control + Wired Microphone Equipped with wired karaoke microphone with 2m cable, equipped with remote control, can be controlled remotely  Characteristics Material: PP Bluetooth Version: V5.0 Bluetooth chip: Zhongke 5.0 Driver Size: Dual 4" Power amplifier specification: 10W Transmission distance: 10M Playtime: 3-4 hours Battery Specification: 3.7V/2400mAh lithium battery Main functions: Support Bluetooth playback, FM Radio, USB and AUX playback modes, wired microphone Product size: 395*175*160mm Product weight: 1.55 kg