Maximum saturation sound pressure level (± 4dB) 118
Maximum full sound gain (± 5dB) 32
Continuous working time 10H
Equivalent input noise (± dB) ≤28
Total harmonic distortion (%) ≤8
Battery voltage (V) 1.4
Rated Current (mA)
Battery type and capacity (mah):
High frequency averages 109
Frequency response 300-3500
Ningbo Efitness Industry&Trade Co. Ltd. is a professional medical equipment company, with high focus on customers requirement and the global market, we earned the trust and long term cooperation with our customers.
Q : What is delivery time for sample and mass production?
A : 3-5 days for sample,10-20 days for mass production.
Q : What is payment term for Mass production?
A : T/T advanced.50% Deposit, Balance Before shipment.
Q : Free Sample is available
A : All samples are charged at first time.sample fee can be refunded in mass order.
Q : Any discount is possible?
A : Price will be discounted depended on your detail,and our price is negotiable depend on your requirement,pacakage,delivery date,quantity,quality,etc.
1. FAST REPLY FOR YOUR INQUIRY.
2. FACTORY DIRECT PRICE.
3. NICE QUALITY.
5. SUPPORT 7 DAYS REFUND MONEY.
6.SMALL ORDER WELCOME.