3.5mm and USB Interface: This adapter is designed with 3.5mm and USB interface, which can make the common speaker to change to the wireless speaker.Easy to Use: Easy to operate, plug and play. Small size, it can be seamlessly inserted into a computer or laptop without blocking the surrounding USB port to save space.High-Quality Material: This bluetooth receiver is made of high-quality plastic and electronic components, which is firm, wear-resistant and durable.Specifications: Material: Plastic+ Electronic components Features: Simple, practical, small, lightweight, wear-resistant, durable Bluetooth Version: V5.0 Transmission Range: 15m/ 590.55inch Input Interface: 3.5mm Input Voltage: DC/5V Indicator: Blue light receiving, red light transmitting Color: BlackPackage Content: 1* Bluetooth AdapterNotes: Due to the lighting and monitors, there are slight difference between the picture and the real item.Promise: If the product has any quality problems, please feel free to contact us, we will help you solve the problem as quickly as possible.