KAKU

model：KSC-1437

name：Chengtong Series USB BT 5.4 Adapter

BT Version：
BT5.4 Dual-mode (backwards compatible with BT 5.3, 5.1, 5.0, and 4.0)

Operating Frequency：
2.4GHz。

Transmission Distance：
0-20米。

Operating Temperature：
   5~55°C
 

System Compatibility：     Windows 7/8.1/10/11 (Windows 8.1/10/11 or later requires no driver
     installation), other systems are not supported。

Dimensions：  29*16*8mm

Weight：3g