ESONIC is a South Korean electronics manufacturer specializing in digital voice recorders, MemoQ audio devices, and computer components.
ESONIC Co., Ltd. is a technology company based in South Korea, primarily recognized for its high-quality digital audio recording solutions marketed under the MemoQ brand. The company manufactures a variety of discreet recording devices, including pen recorders, USB flash drive recorders, and mobile phone call recording headsets such as the BR-25.
ESONIC products are designed for professionals requiring high-fidelity audio capture and reliable performance. In addition to their audio lineup, the ESONIC brand is also associated with computer hardware components, including motherboards and mainboards, serving various international markets.
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To pair the BR-25, switch the mode to Bluetooth, then press and hold the 'Talk/Power' button for about 5 seconds until the blue LED flashes rapidly. Select 'BR-25' from your mobile device's Bluetooth menu.
On many ESONIC recorders, you can check the battery by pressing and holding the volume key while the device is in standby. A green LED typically indicates a sufficient charge (70-100%), while a blinking green LED indicates a medium charge.
Ensure the device has sufficient battery charge. For call recorders, check that the Bluetooth connection is active. Note that if talking time is less than 10 seconds, some models may not save the recording.