Features: MULTIROOM- WIFI AUDIO STREAMER- Add your HiFi- system or Speaker to your multiroom- system via wifi or Ethernet-LAN connection - Connect your speakers- together and control them with phone, tablet- or computer - Connect the Wi-Fi adapter to speaker, workstation, an amplifier to add to the loop- of the multiroom- Wifi system. AUX-3.5mm, RCA- or OPTICAL CONNECTION - Various options- for connecting the Network- and Bluetooth-compatible adapter:3.5mm -jack auxiliary socket to connect the supplied aux- cable or the RCA- cable, an optical socket to connect an optical cable and get better audio quality -Compatible withAirplay system and DLNA system. WIRELESS CONNECTION or ETHERNET-LAN SOCKET - Add the receiver to your web internet network- in seconds and create stereo- set with several speakers- receiving the same and unique sound - Also send a different sound to each speaker controlled by each. QUICK & EASY ONE- TOUCH-SET UP - The receiver will be accessible to any devices on your home network- whether wired- or via WiFi. MUSIC STREAMING- APPLICATIONS - The application allows access to the best music streaming- services such as Spotify-, Tidal- and also to web radio to listen to any radio available in the world. Specifications: Wi-Fi Band: 2.4GHz Wi-Fi Operation Range: Up to 100m Bluetooth-compatible Version: -V4.0 Bluetooth-compatible Profiles: A2DP, AVRCP, PBAP Bluetooth-compatible Operating Range: Up to 10m/(Class 2) Power Input: DC5V/500mA Size:as Pictures Package Includes: 1PC Wireless Receiver note: To protect your network- security, make sure to add password protection-. Select your connected- device on the device list,then select setting icon - speaker info - Add password protection- Please allow 1-2cm errors due to manual measurement, make sure that do not mind before order.