All-Rounder No Battery Needed Battery Tester Gaming mouse Frequency Response: 20-24000Hz

Frequency Response: 20-24000Hz

easy to use

2V with 600mAh built-in batteries

Flaunt your curves with the ruched waist-tie design

the more we feel confident about venturing out and enjoying ourselves

All-Rounder No Battery Needed Battery Tester Gaming mouse Frequency Response: 20-24000HzW't just throw away your batteries just yet! So many times we are not sure if the battery is good to go or not, is it just low on charge or has completely run out and in a hurry we just let it go and order another one. Why waste time and money when there is a better way to test them all in seconds, whether you have any old or new rechargeable batteries and standard ones like 9V, 1. 5V, the button batteries or the C, D, and the AA and or the AAA