【Note】After receiving the product, please fully charge it before use to extend the battery life. When charging, "0" will jump alternately, and "000" will flash at the same time when it is fully charged. Use a 5V 1A charger when charging. Fast-charging phone adapters may trigger the device's overvoltage protection. Will cause charging failure. Do not install AAA batteries while charging.If the device automatically shuts down during the grip test, the battery is too low and needs to be charged.
【Precision Measurements】Ryaco Grip Strength Tester equipped with a high-precision sensor, with a resolution of 0.2lb/0.1kg, Professional-grade dynamometer for accurate strength tracking, Maximum capacity of 396lb/180kg.
【Clear Digita Display】The large LCD screen clearly displays the measurement results, including gender, age, grip value, grip fluctuation state, the difference from the last comparison, and the grip strength level.
【Two Charging Methods】This grip strength tester is equipped with two power supply methods, type-c charger charging and AAA battery power supply.But in general, the charging method is sufficient for use. If you cannot charge it outdoors but need to use it, you can use AAA batteries for power supply. When the conditions for charging are available, please remove the battery in time. It is recommended to power the device via charging for longer usage time per cycle.
【Robust and Long-lasting】Made of high-quality materials, this hand dynamometer is built to last.perfect for people who want to monitor their grip strength improvement through various training exercises.The rechargeable grip strength trainer comes with a Type C charging port, so you no longer need to use 3A batteries to power it.
【Versatile Advanced Data Storage】This device records grip strength measurements for up to 19 users, including age and gender. View records anytime, with automatic display of incremental changes from the last test for easy comparison.
【You'll Get】1*Hand grip tester, 1* Added length of Type C charging cable, 1*Portable storage velvet bag, 1*User manual.The product features a built-in battery for immediate use. An external battery is optional and is for emergency use only and is not included.