[Multiple ways to use] This karaoke machine is suitable for children and adults and has powerful functions. Karaoke machine, portable speaker, music player and party light all in one! You can also easily connect other devices via Bluetooth, TF, USB drive, AUX [2 Wireless Microphones] The kids karaoke machine comes with 2 rechargeable microphones that can last for 5-6 hours when fully charged. Easy to operate, lightweight and suitable for children. Once you turn on the microphone and speakers, they will automatically connect [Excellent Sound Quality] The karaoke speaker has a mini size but provides surprising volume, enough for family outdoor activities. Using advanced audio drivers and digital signal processors, the sound quality is clearer, more stereo and balanced [Portable and Fun Design] Comes with 4 magic sounds and colorful LED lights (6 modes) to dance to the music. The leather strap allows you to carry it anywhere. Perfect for family kids karaoke parties, outings, fitness, meetings, etc. [Surprise Gift for Kids] Cute design and simple operation make it an ideal toy gift for girls boys teenagers Specification: Microphone: Pickup: back-electret condenser mic head Working voltage: 3.7V Frequency range: 20HZ-20KHZ Battery: 1200mAh 18650 built-in battery Power adapter: DC5V≤1000MA (can be used with mobile phone charger) Charging time: 3-4 hours Speaker: Bluetooth version: 5.0 Speaker power: 6W Frequency range: 20HZ-20KHZ Horn diameter: 57mm Working voltage: 3.7V Reverb: Echo sound effect reverb Power adapter: DC5V≤1A (can be used with mobile phone chargers) Battery: 2000mAh 18650 built-in battery Charging time: about 2.5 hours