Features: OOTDTY 100% brand new and high quality Wireless Listening: Stream your perfect entertainment wirelessly from your smartphone or tablet, and listen to music in perfect sound quality via this Bluetooth-enabled wireless receiver. Easy pairing: one-click power back, pair your smartphone or tablet with an adapter (receive mode only). Easy to connect: for most speakers, just plug the adapter into a hi-fi speaker, speaker or headphones via a standard RCA/AV or 3.5mm jack, and connect two speakers to stream music. Lightweight and Portable: Made in 3.0 chip Bluetooth-enabled, strong and lightweight aluminum alloy, with USB power wire, need external 5V power supply. Excellent sound effects: Bluetooth-enabled 3.0 chip module, wireless transmission of high-quality sound without delay from your traditional speakers, support Bluetooth-enabled connection range up to 5m/10m, remote control music playback, no compromise on sound, latest noise isolation technology for BT adapters and advanced laboratory tuning, provides first-class quality. Specifications: Product name: Bluetooth-enabled receiver Product color: black, white (optional) Material: ABS Vesion Bluetooth compatible: 3.0 Charging port: USB Reception distance: ≤ 10 meters Interface: RCA 3.5 Transmission rate: 5 (Mbps) Operating frequency: 2.4 (MHz) Package Includes: 1 x Bluetooth-enabled adapter Note: Please allow 1-3mm error due to manual measurement. Please make sure you don't mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you!