1. 4-in-1 Karaoke Microphone Our portable, hand-held wireless microphone serves as a microphone, speaker, amplifier and recorder. Perfect for home, KTV, parties or on the go. A mini home KTV for music and singing anytime. Change your voice with 4 different effects, providing much more fun for your kids. 2. High Audio Quality & Compatibility With a professional audio processor, tuning system and three-layer noise reduction, our microphone provides an impressive KTV live sound environment and a wonderful echo effect. Supports 3.5mm audio connection and Bluetooth connection to Android, iOS, PC, laptops and apps like YouTube. Range of up to 10m without obstacles. 3. Long-lasting battery & easy operation With a built-in 1800mAh lithium battery, our wireless karaoke microphone offers a playing time of 5-8 hours at medium volume after 3-5 hours of charging. The speaker has an output of 4Ω 4W*2, a signal-to-noise ratio of ≥ 85dB and a frequency range of 150~20kHz. Easy charging via 220V input, 5V/1A-2A output. 4. Ergonomic design and easy handling The high-quality aluminium alloy design is durable and child-proof. With multifunction buttons to adjust music, echo, volume and switch songs. Supports TF card and U disk for music playback. 5. Ideal gift for children & versatile use The microphone offers various voice changing effects and dynamic LED lights that flash to the music. Perfect gift for birthdays, Christmas and other celebrations. Suitable for children aged 3 and up and adults to enjoy the fun of singing. Product details: Loudspeaker output: 4Ω 4W*2 Signal-to-noise ratio: ≥85dB Frequency range: 150~20kHz Connector: 3.5mm stereo headphone jack Battery: 1800mAh lithium battery, charging time 3-5 hours, play time 5-8 hours at medium volume Size: 230*55*10mm Power adapter: input voltage 220V, output voltage 5V, current 1A/2A