Hot spot:
1.Accuracy meet ASTM Standard
2.Fast testing to get the data within one second
3.Can save 8 sets latest testing data
4.Small size and 70g weight for easy carry
5.Comply with CMDCAS CE0197 ISO9001&13485 FDA and EN46001 certificates.
6.Testing parts are the ear canal without much influence from environment
7.Eco-friendly without any pollution and safe testing
8.Best design and quality control