Specifications

2
The below standards we contained is that quoted from standards as our
standards. The versions is valid when the standards is issued, All
standards will be revised and parties using this standard that should be
explore the latest version of the following standard possibility
GB 31241-2014 Safety requirements for lithium-ion batteries and batteries
for portable electronic products
GB 2828-2012 Batch inspection count on sampling procedure and sampling
table (for continuous batch inspection)
3、Storage condition
Working
temperature
-10℃--+45℃
Storage
temperature
-20℃--+70℃
Working
humidity
5％--95％
Storage
humidity
5％--95％
Inspection
temperature
25±10
℃
atmospheric
pressure
70—106MPa
4、Electrical characteristics
4.1 Speaker characteristics
4.1.1 Size：
Speaker size：Φ6mm±1mm。
4.1.2 Frequency response range
：
The working frequency is 20-20KHz within the rated operating voltage
4.1.3 Sound sensitivity ：
The sound sensitivity is 91.5dB±2dB within the rated operating voltage
4.1.4 Speaker impedance ：
Speaker impedance：16Ω±15%Ω。
4.1.5 Microphone sensitivity
：
Microphone sensitivity：-42dB
4.2 TWS products specification