Description: Dual ports: This kind of charging adapter is designed with for AUX 3.5mm for Jack and RAC port, enough to meet your need, you can connect the speaker easily. Multifunctional: This transmitter also can be used as a phone charger, and the dual ports allow you to quickly charge 2 devices at the same time, such as smartphone, laptop, etc. Wireless design: This audio receiver adopts bluetooth-compatible V5.0 technology, providing you with a stable connection and quick transmission, saving strength and time for you. Portable: Designed with a small size and lightweight, this audio adapter is easy to store and carry, suitable for international travelling, and it works with 100-240V input. Wide use: This bluetooth-compatible adapter supports many devices, including speaker, computer, TV, power for amplifier, projector and other devices. Specification: Material: ABS, PC. Color: black. Size: approx. 57x50x20mm/2.24x1.97inch. Input: 100-240V. Output: DC 5V, 2.1A. Bluetooth-compatible version: V5.0. Bluetooth-compatible range: about 10m. Port: 3.5mm for jack, RAC. Function: wireless receive + transmission, dual port 2.1A quick charging, U disk playing, for TF card playing, phone APP control, infrared remote control. Note: Due to the light and screen difference, the item's color may be slightly different from the pictures. Please allow a slight deviation for the measurement data and make sure you do not mind before ordering. Package included: Type 1: 1 piece wireless adapter(with 1 piece audio cable and 1 piece user’s manual). Type 2: 1 piece wireless adapter(with 1 piece audio cable, 1 piece remote controller and 1 piece user’s manual).