Description: Designed with the latest Bluetooth-compatible 5.3 chip, our USB adapter has greatly increased the anti-interference ability and reduced the loss of transmission efficiency. In addition, it can also connect various devices at the same time, such as headphones, speakers, game controller, printer, keyboard, mouse, etc. Our Bluetooth-compatible USB adapter has lightweight and compact size design, which is portable and has wide application. And, this product is easy to connect, no driver or other software required. It is constructed of ABS material. The length of this product is 2.5cm, the width is 1.7cm and the height is 0.8cm. This product is perfectly suitable for home, household, dorm, office, and so on. Item Name: USB Adapter Material: ABS Features: Compact, Portable, Delay Free, Lightweight Size Details: L: 2.5cm/0.98", W: 1.7cm/0.67", H: 0.8cm/0.31" (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 USB Adapter 1 x Disc 1 x User Manual Designed with the latest Bluetooth-compatible 5.3 chip, our USB adapter has greatly increased the anti-interference ability and reduced the loss of transmission efficiency. In addition, it can also connect various devices at the same time, such as headphones, speakers, game controller, printer, keyboard, mouse, etc. Our Bluetooth-compatible USB adapter has lightweight and compact size design, which is portable and has wide application. And, this product is easy to connect, no driver or other software required. It is constructed of ABS material. The length of this product is 2.5cm, the width is 1.7cm and the height is 0.8cm. This product is perfectly suitable for home, household, dorm, office, and so on.