The BR-20 enables the user to record calls wirelessly via Bluetooth.  The device can also be used on its own as a voice recorder.  The built-in sensitive microphone is able to capture sound without distortion within the Bluetooth range of 10 metres. The 4GB flash memory can store up to 144 hours of audio.

• Automatic wireless recording of mobile phone calls
• Handset BT spec is - Bluetooth V3.0 +EDR, Class 2/3
• Simply press a button on BR-20 to chat and record conversations
• Could  also be used as a general digital voice recorder
• USB Flash Drive: 4GB memory built-in
• High Quality Recording Mode: MP3 encoding (64kbps/22.05kHz)
• Recording time: 144 hours
• Buttons: Play/Stop, FF, REW, Volume+, Volume-, REC. mode
• Auto power off in general voice recording
• USB terminal built-in and direct connection into computer
• For longer recording times the USB power source could be used
• Automatic Recording Level Control
• Hours of battery usage : general recording-12hrs / Playback-5hrs
• Continuous Bluetooth talks-9 hrs/Bluetooth talks & recording-5 hrs
• Bluetooth talks standby-360 hours
• High quality built-in speaker
• Power: built-in rechargeable lithium polymer battery
• High-speed charging: charging time/2 hours
• USB 2.0 hi-speed up/download / Plug-in & Playback
• Supported operating systems: Windows, Mac, OS & Linux
• Windows 2000/XP/Vista/7/8/10
• Dimension / Weight: 20(W)×113(H)×11.5(D)mm / 20.5g
• Low LED indicators are used for corresponding actions
• Connect to other Bluetooth devices
• User guide (English)

Spec:

Built-in Memory: 4 GB

Bluetooth version: V3.0 + EDR

Bluetooth range: up to 10 metres

Built-in Microphone

Bandwidth: 2.402 ~2.480 GHz

Recording encoding/Format: mp3

Charging: Up to 3 hours, USB port, DC5V/USB

Built-in Microphone auto call recorder

Supported operating systems: Windows, Mac, OS, Linux