User Manual

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