aliexpress new invention in china GYM voice prompt timer 1,voice prompt timer clock 2,CE,RoHS 3,training/rest alternative Brief description of the productProduct name:aliexpress new invention GYM voice prompt timer clock 1,projection timer clocks2,"three two one,GO!" voice prompt aliexpress timer clock3,with CE,RoHS4. two years warranty5,character height: 4inch 6digits6,Screen size(L*H*D): 71*16* ...