UNI-T UT-D07B Wireless Transmission Bluetooth Adaptor Module for UT61B+ / UT61D+ / UT61E+ Multimeter
Buy at below link :CLICK HERE
Features:
Infrared to Bluetooth adapter (Bluetooth 5.0 low power consumption)
Suitable for wireless data transmission between Android and Apple mobile phones
Effective connection distance:10 meters
Power supply: AAA battery X2(not included)
Applicable products: UT61+series
Support mobile phones with Android 5.0 and above, iOS10 and above
Applicable mobile phone App: iDMM2.0 (UT61+series)