Widely used in telephone times, calling devices, time pieces electronic toys, satety equipments, RFID. Specifications YYS-12095 Song Name For Elise Kaoma Lambada Christmas songs My Heart will go on sweet family happy birthday Rated Voltage(V) 3 3 3 3 3 3 Vlotage Rgange(V) 2.5-3.5 2.5-3.5 2.5-3.5 2.5-3.5 2.5-3.5 2.5-3.5 Rated Current(mA) ≤ 45 ≤ 45 ≤ 45 ≤ 45 ≤ 45 ≤ 45 Sound Output(dB) ≥ 85 ≥ 85 ≥ 85 ≥ 85 ≥ 85 ≥ 85 Resonant Freq(Hz) 2000± 200 2000± 200 2000± 200 2000± 200 2000± 200 2000± 200 Operating Temp(º C) -20~+45 -20~+45 -20~+45 -20~+45 -20~+45 -20~+45 Storage Temp(º C) -20~+60 -20~+60 -20~+60 -20~+60 -20~+60 -20~+60 Weight(g) 2 2 2 2 2 2