User's Manual

2.BasicParameter
Productsize:688*29*20mm
Weight:TBD（bareunit）
WorkingVoltage：3.7V
Lowbatteryvoltageprompt：3.4V
Playingtime： around6hours
Chargingvoltage：DC5V
Charginginterface ：MICROUSB
Chargingtime：about1hours
Chargingcurrent：120mA
Auto‐shut‐offtimewithoutconnection ：5minutes
ANCfunction:
supportactivenoicecancellingtechnology
Multi‐pointconnection:Supportoneearbudconnecttwobluetoothmobilephones
Batteryindicate：SupportIOSsystembatteryindication
VoicePrompt:Optional
APPextendedfunction:Optional(SmartdeviceshouldinstallAPPfirst)
AudioTransmission:SupportAPTX
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3Components
3.1Bluetooth
BluetoothIC CSR8645 
BluetoothVersion 4.1 
Profile A2DPAVRCPHSPHFP 
RFcarrierfrequency 2402~2480MHz 
Receivingdistance 360°10meters 
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3.2ANCspec
ANCSpec:AMSAS3421
Noisecancelling：10‐20db(100Hz‐1000Hz)
3.3MIC
MICSpec:3.7*2.2*1.1mmMEMSMIC,Sensitivity:‐42±3db
ANCSpec:3.7*2.2*1.1mmMEMSMIC,Sensitivity：‐42±3dB
3.4Battery
BatterySpec：3.7V120mAhPolymerLi‐ionBatteries
Batterysize：60*11*22 mm
Batterylife：300times（dischargecapacity≥80%）
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3.5Driver
DriverSpec：
Φ13MM
Resistance：32Ω