Description: No driver or other software required, our Bluetooth-compatible audio receiver can be easily attached to speaker, headset, phone, computer and other devices owing to its 3.5mm AUX port design. It also supports hands-free calling. Ideal for any car. Since the Bluetooth-compatible audio receiver has lightweight and compact size design, you can use it in many occasions and can easily take it out. Moreover, it also adopts a TF card slot design. It is constructed of ABS material. The length of this product is 6.6cm, the width is 2cm and the height is 1.8cm. This product is perfectly suitable for home, household, dorm, office, etc. Item Name: Audio Adapter Material: ABS Interface: 3.5mm Audio Interface Type: Plug-and-Play Transmission Rate: 300Mbps Effective Working Radius: 15m Bluetooth-compatible Standard: 5.3 Operating Frequency: 24MHz Battery Capacity: 200mAh Features: Compact Size, Lightweight, Delay Free Size Details: 6.6cm x 2cm x 1.8cm/2.6" x 0.79" x 0.71" (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 Audio Adapter 1 x Charging Cable 1 x User Manual No driver or other software required, our Bluetooth-compatible audio receiver can be easily attached to speaker, headset, phone, computer and other devices owing to its 3.5mm AUX port design. It also supports hands-free calling. Ideal for any car. Since the Bluetooth-compatible audio receiver has lightweight and compact size design, you can use it in many occasions and can easily take it out. Moreover, it also adopts a TF card slot design. It is constructed of ABS material. The length of this product is 6.6cm, the width is 2cm and the height is 1.8cm. This product is perfectly suitable for home, household, dorm, office, etc.