The bracelet uses a low-power e-ink screen and the designers claim the device will last a year on a single charge.

手镯使用低能耗的电子墨水屏，设计者称，该手镯充电一次可使用一年。

youdao

The bracelet uses a low-power e-ink screen and the designers claim the device will last a year on a single charge.

手镯使用低能耗的电子墨水屏，设计者称，该手镯充电一次可使用一年。

youdao