Defender Twins 903 Wireless Headphones
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| Weight: | 40 g |
| Design: | Intracanal |
| Description: | Design: in-ear, device type: TWS wireless headphones, design features: microphone, case charging type: Lightning, acoustic design type: closed, operating time: 4 h, supported codecs: SBC |
| Working hours: | 4 h |
| Impedance: | 32 ohm |
| Sensitivity: | 102 dB |
| Design features: | Microphone |
| Device type: | Wireless tws earphones |
| Mount type: | Without attachment |
| Maximum playback frequency: | 20000 Hz |
| Minimum repeatable frequency: | 20 Hz |
| Technology: | Dynamic |
| Bluetooth version: | 5.0 |
| Membrane diameter: | 10 mm |
| Type of acoustic design: | Closed |
| Supported codecs: | SBC |
| Wireless connection type: | Bluetooth |
| Charging case height: | 9.5 mm |
| Charging case depth: | 25 mm |
| Case battery capacity: | 250 mAh |
| Case charging type: | Lightning |
| Charging Case Width: | 9.5 mm |