Over-earBluetooth 5built-in mic🔋 6 h200 g
Defender
Defender FreeMotion B540
Defender FreeMotion B540: Over-ear, Bluetooth 5, 6 h battery – from €31.90. Spec sheet, price and alternatives.
from €31.90 1 offers
As of 2 March 2026 · Prices are Geizhals best prices as of the date shown and may have changed.
- Form factor
- Over-ear
- Connection
- Bluetooth 5
- Battery
- 6 h
- Weight
- 200 g
- ANC
- no
- Listed since
- 25 August 2022
Specifications
| Form factor | Kopfhörer (Over-Ear) |
|---|---|
| Fit | Kopfbügel |
| Wireless | Bluetooth 5.0 |
| Connector | 3.5mm Klinke, Cardreader (microSD) |
| Microphone | integriert |
| Device features | faltbar, Audio-Player, UKW-Radio |
| Battery life | 6h |
| Battery | USB Micro-B Ladeanschluss |
| Weight | 200g |
| Drivers per side | 1x 40mm dynamisch |
| Impedance | 32Ω |
| Frequency range | 20Hz-20kHz (Lautsprecher), 100Hz-16kHz (Mikrofon) |
| Sensitivity | 118dB |
| Acoustic design | geschlossen |
| Controls | 3-Tasten-Fernbedienung |
| Cable | einseitig, abnehmbar |
| Colour | schwarz |
