Specifications: Support memory card playback, very convenient. Built-in large capacity battery, long standby time. Designed with colorful LED light, very unique and cool. Wireless Bluetooth connection, fast and stable transmission. Suitable for musical instrument, computer, stage, conference, KTV, interview, home, recording, radio and television. Item Name: Wireless Microphone Material: ABS Output Power: 5W*2 Battery Capacity: 1800mAh (Included) Reverb Mode: Echo Sound Reverb Adapter Voltage: DC 5V (Can be Used with Phone Charger) Bluetooth Version: 4.1 Pickup: Condenser Features: Wireless, Bluetooth Connection, LED Light Microphone Size: 27cm x 7.5cm x 5cm/6.69" x 2.95" x 1.97" (Approx.) Notes: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Package Includes: 1 x Wireless Microphone 1 x Charging Cable 1 x User Manual