1. WiFi audio receiver for iOS and Android, enjoy your own music, best streaming and Internet radio-, Tidal, Tune In and iHeart Radio can all be played 2. Multi-room synchronization: Support Connect, Tidal, TuneInRadio, iHeartRadio 3. Simple WPS settings make your speaker dock/stereo Hi-Fi/home music streaming sound system wireless 4. The receiver has a LAN (Ethernet) connection. It can be connected to your router or network via a cable, integrate it into your home network immediately, and provide the most stable streaming performance 5. The receiver can also be used as a WiFi repeater-extend your home network range, and can be protected by a password to Name: Wireless WIFI Audio Receiver Signal to noise ratio: or equal to 80dB Distortion: less than or equal to 1.0% at 1 KHz Wi-Fi frequency band: 2.4GHz Wi-Fi working range: up to 100m Wi-Fi profile: 802.11 a/b/g Bluetooth version: V4.0 Bluetooth profile: A2DP, AVRCP, Bluetooth working range: up to 10m (level 2) Power input: DC 5V/500mA colour:Black Material:plastic Package Contents: 1 x Wireless WIFI Audio Receiver Set Only the above package content, other products are not included. Note: Light 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.