Direct Sound EXTW37 Podręcznik użytkownika - Strona 4
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6、Product specification
6.1 Wireless Transmission
Parameter
Bluetooth Version
Bluetooth profiles
Audio Decode
Bluetooth Communication
Range
Wireless output
Wireless band
6.2 Battery
Parameter
Battery Type
Capacity
Charge time
Battery life
Working time
Standby time
6.3 Speaker Driver
Parameter
Speaker size
Speaker Impedance
Output
Frequency Response
Sensitivity
Distortion
6.4 Others
Headphone Parameter
Microphone sensitivity
Standby current
Sleep current
V4.0+EDR(True Wireless(TWS)CSR64215 Bluetooth
module)
A2DP,AVRCP,HFP,HSP
Support SBC,MP3,AAC,APTX-LL audio format (Latency
:<40ms)
About 10m(without obstacles)
Class2:+4dBm(-6 ~+4dBm),
ISM band:2.402-2.480GHz
Lithium polymer battery
3.7v ===500mAh,1.85w
About 1.5 hours
P.5
Cycle charge 500 times
About 20 hours calls &music & middle volume
About 300 hours
φ40mm
32 ohm
10mW
20Hz ~20,000Hz
105 dbm
﹤2 %
-45db
0 mA< I <4 mA
< 0.001 mA
Specification
Specification
Specification
Specification