This Bluetooth earphone has call recorder function, can record incoming and outgoing calls or other voice recording, especially perfect for iPhone users. 

Features:

• Voice recorder function. 
• Record and answer calls, listen to music
• Bluetooth 4.2, ultra-low power consumption.
• Connect Bluetooth to answer the phone, effectively avoid cellphone radiation
• Dialing distances can reach about 10 m.
• Easy operation with voice alert.
• Built in 200mAh lithium battery, rechargeable.
• Built in clock chip, recording files named with date and time.
• Automatically record when phone connected, automatically stop recording when the call ends.
• Auto answer and message leaving & recording function.
• Can copy the recording files out from the earphone to computer via USB cable.
• Automatically delete the earliest file when memory is not enough, no need to delete files manually.
• Compatible to work with iPhone and Android cellphone. 

Note: Android devices are supported as well for recording but line control function for volume +/- etc will not work with Android devices.

Parameters:

• Working voltage: 5V
• Recording format: mp3
• Shell material: ABS
• Sleep current: ≤10uA
• Recording current: ≤70mA
• Charging time: about 2 hours
• Environment: indoor only, relative humidity＜95%