店铺已到期，升级享全网推广！
告别传统的“叮咚”及老旧铃声更多经典、流行和弦铃声，音量可达110分贝，不担心老人听不见。
Bid farewell to the traditional "Ding Dong" andthe old bell More cassi and popular chord ringtones, volume up Up to 110 decibels, not worrledthat the elderly can not hear.
