

🎶 Elevate your Sennheiser experience—wireless freedom meets audiophile precision!
This Bluetooth adapter is custom-engineered for Sennheiser HD series headphones, combining a high-performance Texas Instrument amplifier with Qualcomm Bluetooth 5.3 for lossless wireless audio. It features an optional bass boost, built-in microphone for calls, and a 2.5mm jack connector, delivering premium sound quality and seamless wireless convenience tailored for discerning audiophiles.






| ASIN | B07GZWN4FB |
| AntennaDescription | Satellite |
| Audio Input | 3.5 mm AUX |
| Audio Output Mode | Stereo |
| Audio Output Type | Headphone |
| Battery Charge Time | 1.5 hours |
| Battery Weight | 2.6 Grams |
| Best Sellers Rank | 94,825 in Electronics & Photo ( See Top 100 in Electronics & Photo ) 2,986 in Audio & Video Adapters |
| Bluetooth support? | Yes |
| Brand Name | Airfrex |
| Colour | Silver |
| Compatibility Options | Bluetooth enabled devices (headphones, speakers, TV, car stereo, etc.) |
| Compatible Devices | Sennheiser HD598, HD598Cs, HD598SE, HD595, HD599, HD559, HD569, HD579, HD518, HD558 Headphones |
| Connectivity Technology | Bluetooth |
| Connector Type Used on Cable | Auxiliary |
| Control Method | Touch |
| Control Type | Touch Control |
| Controller Type | Button Control |
| Customer Reviews | 3.6 3.6 out of 5 stars (60) |
| Data Link Protocol | Bluetooth |
| Enclosure Material | Silver |
| Hardware Interface | Bluetooth |
| Human Interface Input | Touchscreen |
| Includes Remote | No |
| Installation Type | wireless |
| Item Dimensions L x W x H | 5.5L x 4.8W x 1.2H centimetres |
| Item Weight | 15 Grams |
| Lithium Battery Energy Content | 0.4 Watt Hours |
| Lithium Battery Weight | 0.2 Grams |
| Manufacturer | Forient Technology Co., Limited |
| Media Types | MP3, WAV, AAC, FLAC |
| Model Name | Airfrex SEHD |
| Number of Batteries | 1 Lithium Metal batteries required. (included) |
| Number of Channels | 2 |
| Number of Lithium-ion Cells | 1 |
| Number of Ports | 1 |
| Outer Material | Plastic or Rubber |
| Power Source | Powered by battery and electric cable |
| Product Features | Automatic On/Off, Built-In Microphone, Hands-Free Calls, Low Latency, Noise Cancellation |
| Product Warranty | One Year Warranty |
| Rechargeable Battery Included | Yes |
| Supported Application | Any Audio Application |
| Supported Standards | Bluetooth 5.3 |
| UPC | 708210350358 |
| Unit Count | 1.0 count |
| Wireless Compability | Bluetooth |
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