欧美日韩综合精品第一页_国产三级在线观看播放黄_18女人毛片水真多免费_国产无套一区二区三区久久_亚洲一区精品在线观看视频_自拍偷拍美腿丝袜无码专区_在线观看18以下勿进国产_亚洲成熟老妇AV_国产日韩新片无码免费_日本黄页大全免费

           Rated Voltage

5V

Operating Voltage

3.0~7.0V

Rated Current

Max. 80mA

Coil Resistance

42±4Ω

sound Pressure level(dB/2700Hz/at 10cm)

Min.85dB

Resonant Frequency

2731Hz

Operating Temperature

-20℃~+60℃

Storage Temperature

-30℃~+70℃