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Main Products: |
Medical supplies,medical equipment,disposable medical consumables,medical furniture,urine bag,Sphygmomanometer,hospital bed,Band aid,gauze swab,bandage |
Contacts: | Chen YalingChat |
Mobile: | 86-13566796210 |
E-mail: | sales@ywmedco.com.cn |
WeChat: | WET42135 |
Address: | 14946 , 中 Street, 2 F, 39 Gate, International Trade Mart (District 2). |
Please read the product manual carefully or purchase and use it under the guidance of the medical staff
Saturation sound pressure: 110dB + 4dB
Full range sound gain: 30dB + 5dB
Harmonic distortion: 10% or less
Frequency response: 300~4000 hz
Equivalent input noise: 40 or less The db
Standard battery: A312 battery
Working voltage: , dc. 1.5 V
Operating current: less than or equal to 4 ma
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