Multifunctional chess clock mute game Go chess timer $ 22.48 Type: Electron Material: ABS. Waterproof: No Whether with pause: No Specification: As shown 1) Press the left and right buttons alternately, and adjust the second hands of the two clocks at the position of 12 o 'clock in turn. Press the left and right buttons at the same time, and the clocks on both sides are in the state of stop timing.
