

A,Max.saturater volume output:128±5 dB .
B,Max voice gain:40±5 dB
C,Harmonic distortion:≤10%(1000 Hz)
D,Equivalent input noise level:30dB
E,Frequency range:300-4500 Hz
F,Battery voltage:DC 1.5V(The A76 button battery a grain)
G,Directivity: omni-directional
Product color:beige
volume of machine:3.8*2.1*0.9cm3
weight of machine :11g
weigt of machine and packing:80g
Net Weight | 7g | |||
Product size | 6.75*4.35*1.9cm | |||
Packing | Black Color Box+Velvet Box | |||
color box size | 10*8*3.5cm | |||
Outer box size | 54.5*28.5*43.5cm | |||
PCS/CTN: | 200pcs | |||
G.W. | 20kgs | |||
MOQ: | 200pcs | |||
Delivery Time: | Within 1 week |




We are based in Shandong, China, start from 2012,sell to Africa,Southeast Asia,Mid East,Western Europe,North America. There are total about 50 people in our office.
2. how can we guarantee quality?
Always a pre-production sample before mass production;
Always final Inspection before shipment;
3.what can you buy from us?
Medical Dressing and Bandage,Injection and Infusion Products,Breathing and Anaesthesia,Medical Protection Products,Laboratory Products,Home Use Products.
4. why should you buy from us not from other suppliers?
Hiprove is the largest professional medical & health products exporter in Qingdao, China. We provide a widely range of medical, health scientific, first aid and laboratory products and services to customers in more than 130 countries