Multimedia microphone for karaoke. Provides up to 5 hours of fun on a single charge. It can be connected to the phone via Bluetooth. Supports TF card play. The Bluetooth connection allows you to wirelessly connect the microphone to any phone with this feature. Besides, you can connect it to the phone via 3.5mm audio cable and enjoy your favorite music via TF card with a maximum capacity of no more than 32 GB (not included). High-capacity battery (1800 mAh) brings you up to 5 hours of fun on a single charge. The echo reverberation technology and noise reduction system ensure high-quality, clear sound, similar to KTV effect, which will make you feel like you are in a karaoke scene. The high-sensitivity microphone picks up your voice in all directions and the compact size provides a comfortable grip and easy carrying. Specification: Material: ABS + aluminum alloy Size: 235 * 88 * 88mm Weight: 285 g Speaker diameter: 45 mm Bluetooth version: V4.2JL Battery capacity: 1800 mAh Charging time: 3 h Music time: 5 h