With built-in speaker gives clear and loud sounds High sensitivity probe Automatic shutdown function in case of no work for one minute Size: 130 x 100 x 36 mm<img src="https://cc-west-usa.oss-us-west-1.aliyuncs.com/2044/518401983721.png">&nbsp;&nbsp;<img src="https://cc-west-usa.oss-us-west-1.aliyuncs.com/2044/1985040972064.png" style="font-size: 14px;"> <img src="https://cc-west-usa.oss-us-west-1.aliyuncs.com/2044/547644192582.png">&nbsp;&nbsp;<img src="https://cc-west-usa.oss-us-west-1.aliyuncs.com/2044/1859640916677.png" style="font-size: 14px;"> <img src="https://cc-west-usa.oss-us-west-1.aliyuncs.com/2045/3380673507754.jpg"> <img src="https://cc-west-usa.oss-us-west-1.aliyuncs.com/2045/1723040730989.jpg">

Baby Portable Heartbeat Monitor