Working voltage: battery 3.2-4.2v
Working capacity: 1200mAh
Charging voltage: DC 5V / 1-2a
Charging time: about 3 hours
Broadcast time: about 5 hours
Output power: 40 5W
Frequency response: 20Hz-20KHz
SNR: SNR: ≥ 90dB
If you want to know more about the product(details+price), please send an email to sales@pcb-hero.com , and then we can talk in detail.
Attached our company profile and website link for your reference.
https://www.pcb-hero.com/collections/all-products
Thank you for your time.
For the product specification, pls refer to the pic