Specification: Speaker parameters: Product model: M9 Product color: white, pink (optional) Product configuration: speaker+single microphone, speaker+dual microphone (optional) Bluetooth-Compatible version: V5.3 Reverberation chip: built-in reverberation chip Maximum sound pressure: Maximum sound pressure level>115dB Frequency response range: 100Hz-20KHz Rated power: 10W Signal to noise ratio: ≥ 70dB Material: ABS Mic head specification: capacitor Mic Battery capacity: 1800mAh Charging time: approximately 5 hours Battery life: Singing for about 3.5h; Bluetooth-Compatible approximately 4H Horn specification: 4 Ω 6W Buttons/push buttons: buttons Input: DC5V/1A TF card slot: supported USB drive: supported Audio input 3.5mm: supported Type-c USB charging interface: supported Size: 125 * 78 * 113mm/4.92 * 3.07 * 4.44inch Weight: approximately 645g Microphone parameters: Bluetooth-Compatible version: 5.3 Bluetooth-Compatible distance: ≤ 8M Working voltage: DC5V Power supply: 3.6-4.2V Battery capacity: 800mAh Working time: 4 hours Charging interface: Type-C Microphone: capacitor Size: 38 * 38 * 128mm/1.49 * 1.49 * 5.03inch Note: Due to the different monitor and light effect, the actual color of the item might be slightly different from the color showed on the pictures. Thank you! Please allow 1-2cm measuring deviation due to manual measurement. Included: 1 x speaker 1/2 x microphone 1 x charging cable 1 x audio cable 1 x instruction manual 1. Compact and Powerful: Equipped with a built-in 4Ω 6W speaker, this kit is designed to produce high-performance optimized sound that is more accurate and at an appropriate volume level. The lightweight and compact design, along with the 1800mAh rechargeable battery that supports up to 4 hours of continuous singing, make it easy to take to parties and other events. 2. Bluetooth-Compatible System: The latest Bluetooth-Compatible 5.3 chip ensures quick pairing and stable connectivity up to 10 meters (unobstructed), while also supporting Micro TF card, USB flash drive, and AUX-in connections for compatibility with a range of devices such as smartphones, iPads, tablets, and PCs. It's perfect for small parties, schools, churches, and gyms. 3. Wireless Microphone: With two 2.4G wireless microphones that transmit up to 10 meters, four magical sound effects including original, KTV, monster, and baby sounds, this karaoke machine is perfect for duets and dance performances. Advanced active noise cancellation technology and professional DSP audio processing ensure that every word you sing is perfect. (Note: choose the dual microphone option) 4. RGB Ambient Lighting: The innovative design incorporates premium RGB speaker lighting effects with up to 16 independent light beads, multiple RGB karaoke light effects that follow the rhythm of the music. You can select from different lighting modes such as full-color rotation, single-color alternation, gradient effect, full-color breathing, and single-color breathing. It adds excitement and energy to any party or gathering, keeping your guests entertained throughout the night.