Features: brand new and high quality Microphone and speaker are exsit in the fashionable mushroom for head, it can also be used as a Bluetooth-compatible speaker and recorder. Bluetooth-compatible function support, ensures more stable and quick pairing, for most Bluetooth-compatible devices. 7W power microphone, 1500mAh large capacity rechargable lithium battery. Voice changing functions, supports various for smart phones with I-OS and -Android systems, you can insert TF card or U disk to for play music. Built-in 2.1channel speaker, the sound quality is suprem, it will be no distortion. Specifications: Material: Alloy Size: Approx. 15x10x10 for cm/5.9x3.93x3.93 inches Polar Pattern: Omnidirectional Bluetooth-compatible: 5.0 Channel: 2.1 Speaker Power: 7W SNR: ≥85db Battery Capacity: 1500mAh Frequency Response Range: 150～20kHz Audio Source Interface: 3.5mm Stereo Headphone Plug Charging Time: 3～5 Hours for Play Time: 5-8 Hours with Full Charge and Intermediate Volume Input Voltage: 220W Output Voltage & Current: 5A 1A/2A Function: with TF Card/insertion Of U Disk/with Voice Changing Function Package Includes: 1 Piece Microphone 1 Piece Charging Cable 1 Piece User Manual note: Please allow 0-1cm error due to manual measurement. pls make sure you do not mind before you order. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you!