In-earBluetooth 5built-in mic🔋 4 h
Defender
Defender Twins 638
Defender Twins 638: In-ear, Bluetooth 5, 4 h battery – from €19.90. Spec sheet, price and alternatives.
from €19.90 1 offers
As of 2 March 2026 · Prices are Geizhals best prices as of the date shown and may have changed.
- Form factor
- In-ear
- Connection
- Bluetooth 5
- Battery
- 4 h
- Weight
- 40 g
- ANC
- no
- Listed since
- 25 August 2022
Specifications
| Form factor | Ohrhörer (In-Ear) |
|---|---|
| Fit | True Wireless, bügellos |
| Wireless | Bluetooth 5.0 |
| Microphone | integriert |
| Battery life | 4h |
| Battery | USB Micro-B Ladeanschluss, Ladeetui (300mAh) |
| Weight | 40g |
| Drivers per side | 1x 10mm dynamisch |
| Frequency range | 20Hz-20kHz (Lautsprecher), 100Hz-16kHz (Mikrofon) |
| Sensitivity | 98dB |
| Acoustic design | geschlossen |
| Controls | 1-Tasten-Fernbedienung |
| Colour | schwarz |
