Headphones ERGO BT-690 White

  • Frequency range: 20 Hz - 20 kHz
  • Speaker size: 40 mm
  • Resistance: 32 Оhm


Thanks to the original design, the ERGO BT-690 wireless headphones are an excellent accessory in every music lover's arsenal, and the folding housing allows you to store them without any difficulties and take them anywhere with you. The soft arch does not create excessive pressure during long listening to your favorite tracks, and thanks to the ergonomic design, the eco-friendly ear cushions fit tightly to the ear, providing maximum comfort.


A wide frequency range of 20 Hz - 20 kHz allows you to reproduce both a full range of instrumental parts and powerful juicy basses. With a sensitivity of 110 ± 3 dB, your favorite music will sound even richer and louder. Wireless connection to any device regardless of their operating system using Bluetooth technology with version 4.1 makes the connection and transmission of audio data fast and error-free. A powerful rechargeable lithium-ion battery provides 250 hours of standby time, 10 hours for talk time and 8 hours of listening to music. Moreover, the ERGO BT-690 model will be the ideal companion for every lover of long-time conversations with friends and relatives thanks to the built-in responsive microphone and ergonomic control panel that not only changes audio tracks but also accepts and cancel calls.

Common parameters
Connection type Wireless
Construction type over-ear
Main color White
Product usage For portable equipment/For home
Acoustic characteristics
Acoustic design Closed
Diameter of the emitters of the membrane 40 mm
Radiators type Dynamics
Sensitivity 110 ± 3 dB
Resistance 32 Ohm
Frequency range 20 - 20000 Hz
Number of channels stereo
Sockets mini-jack (3.5 мм)
Sockets form L-shaped
Connector cover Gilded
Cable connection One-way
Cable features Detachable
Wireless connection type Bluetooth 4.1
Profiles A2DP, AVRCP, HFP, HSP
Supported codecs SBC, AAC
Range 10 m
Wired connection ability Yes
Power supply
Batteries type Li-ion rechargeable battery
Charging time 2 hours
Talk time ours 10 hours
Music playing ours 8 hours
Standby 250 hours
Binding time Headband
Construction features adjustable headband/rotary cup
Housing material Plastic
Embouchure material Leatherette
Functions and control
Volume control Yes
Active noise reduction No
Function keys Answer/end call, pause/play, switch music tracks, volume control
Microphone characteristics
Microphone Yes
Microphone location On the wire/Integrated
Attaching the microphone Fixed
Microphone sensitivity -42 ± 4 dB
Microphone requency range 30 - 16000 Hz
Microphone direction omnidirectional
Changeable embouchure No
Case included No
Additionally USB-cable, Audio cable (AUX)
Warranty 6 months
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