Fangrui Product Details Model: E366 Power Supply Mode: Built In Lithium Battery Frequency Response Range: 60hz-15khz Bluetooth Protocol: 4.1 Playback Format: Mp3 Whether There Is Radio Function: Yes Output Power: 25w Product Weight: 0.5 Connection Method: Bluetooth Connection Interface Type: Usb Function: Card Insertion Playback Time: 8 Hours Effective Distance: 10m Supported Format: Tf Card Signal To Noise Ratio: Greater Than Equal 70db Extended Storage: 32gb Type: Card Speaker Colour:black Material:tpu+plastic Voltage:ac220v Plug Type :eu Plug,it Applies To Indonesia, Germany, France, Spain, Italy And So On. Package Contents: 1 * Wireless Speaker 1 * Microphone 1 * Power Adapter 1 * Usb Cable Only The Above Package Content, Other Products Are Not Included. Note: Light Reflection And Different Displays May Cause The Color Of The Item In The Picture A Little Different From The Real Thing. The Measurement Allowed Error Is +/- 1-3cm.