Because it is equipped with a powerful Bluetooth-compatible 5.0 chip, the Bluetooth-compatible signal is enhanced, so that it gets 10-20m ultra-long transmission distance (no barrier), 3Mbps more stable transmission rate.With ultra-low latency and fast link, intelligent sleep wake-up and energy saving, it has 24-bit CRC check to resist interference, and adaptive frequency hopping to reduce crosstalk.Made of high-quality ABS material, it is lightweight and durable to use.The length of this product is 3cm, the width is 1.7cm and the height is 0.6cm. Drive management software is convenient and easy to use, which is powerful, and supports a variety of application extensions.It is suitable for win7/for win8/for win10. It is fully downward compatible with Bluetooth-compatible 2.0, Bluetooth-compatible 2.1, Bluetooth-compatible 3.0 specifications. The USB2.0 interface is more versatile, and the ultra-mini body is portable.Item Name: Bluetooth-compatible ReceiverMaterial: ABSColor: Blue, BlackBluetooth-compatible Version: V5.0Transmission Distance: 10m~20mSupport System: for win7/for win8/for win10Transmission Rate: 3.0MbpsAmount Voltage: DC5VWorking Temperature: -30~85 Degree CelsiusStorage Temperature: -45~85 Degree CelsiusFrequency Range: 2.4GHzInterface Type: USBFeatures: Stable Transmission, Non-delayed, MiniSize Details: 3cm x 1.7cm x 0.6cm/1.18" x 0.67" x 0.24" (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 Bluetooth-compatible Receiver