... 4.Long life time CR2032 Coin Type motherboard lithium batterySpecification: Battery type:CR20321.Nominal voltage:3 V2.Standard ... 3, SGS, RoHs, PONYApplications:motherboard, C-MOS, S-RAM, RFID, electronic memory system, wristwatch, calculator, toy, electronic gift, etc ... , televisions, CD machine, MP3, DVD and borne power amplifier,speakers of connections between and transmission of their audio ...