Specification: Item Type: Microphone Bluetooth Speaker_x000D_Material: Plastic, Electronic Material_x000D_Speaker Model: V8_x000D_Speaker Bluetooth Version: 5.0_x000D_Speaker Output Power: 10W_x000D_Speaker Transmission Distance: 10M / 32.8ft_x000D_Speaker Frequency Range: 20Hz-20KHz_x000D_Speaker Operating Voltage: 3.7V_x000D_Memory Card: Support up to 128GB Memory Card (not included)_x000D_Speaker: 66mm 4 ohm 10 watt speaker_x000D_Microphone: 2.4G Wireless Transmission_x000D_Microphone Operating Voltage: 3.7V_x000D_Battery Type: Speaker built in 1800mAh x 1, Microphone built in 400mAh x 1 Polymer Lithium Battery (included) Features: 1[Subwoofer Stereo]: The speaker support 360 degree surround sound, 2.5 inch speakers with large diaphragm, the treble is magnificent and transparent, the midrange is clear and dynamic, and the bass is deep and powerful. 2[Built in Reverberation]: The karaoke machine has KTV grade surround sound, the wireless microphone comes with five karaoke sound effects to make singing more fun. 3[RGB Light]: The speaker has 9 kinds of 16.8 million colors with RGB light switching, artistic LED light exudes a fashionable and cool ambience, and you can entertain the game with more sense. 4[Big Speaker and Long Battery Life]: The karaoke machine equipped with 66mm 4 ohm 10 watt speakers with 1800 mAh lithium battery, and you can listen to songs anytime and anywhere. 5[Double Suspension Lanyard]: You can adjust the lanyard and hung the speaker wherever you need, adjust the angle of the lanyard, and you can enjoy the music at different angles at any time. PackageList: 1 x Bluetooth Speaker 1 xMicrophone 1 x Charging Cable