Description: This wireless transmitter is plug play and supports infrared remote control, which is easy and convenient to use. The fast and low-latency signal transmission as well as lossless and HiFi sound effect of this wireless transmitter is supported by the Bluetooth-compatible5.1 technology. It is constructed of aluminium alloy material. Designed with multiple interfaces including Coaxial+Optical+AUX+R/L+USB, this wireless transmitter is multifunctional and practical. The length of this product is 10.7cm, width is 5.2cm and height is 2.1cm. This wireless transmitter is suitable for car speaker, TV set, computer, earphone and so on. Item Name: Wireless Transmitter Material: Aluminium Alloy Bluetooth-compatible Version: 5.1 Input Power: DC 5V Transmission Distance: about 30m Power Supply Interface: Type-C Interface Transmission Rate: 100 Working Frequency: 2.4 Interface: Coaxial+Optical+AUX+R/L+USB Features: Driver-free, Quick Transmission, Stable Output Size Details: 10.7cm x 5.2cm x 2.1cm/4.21" x 2.05" x 0.83" (Approx.) Notes: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Package Includes: 1 x Wireless Transmitter 1 x Remote Control(Button Battery Included) 1 x User Manual