Sennheiser’s BTD 700 is a compact USB-C Bluetooth dongle that instantly upgrades laptops, tablets, and phones with high-fidelity codecs, ultra-low latency, and Auracast broadcast support, making it a smart plug-and-play fix for better wireless audio on nearly any device. Built on Bluetooth 5.4 with Class 1 range, it adds aptX Adaptive and aptX Lossless—delivering up to 24-bit/96 kHz wireless transmission when paired with compatible headphones—while remaining class-compliant, so no drivers are needed on Android, iOS/iPadOS, Windows, or macOS. Gamers benefit from a dedicated Game Mode claiming latency as low as 30 ms on supported headsets, helping keep action and audio in sync far better than baseline SBC/AA stacks on many laptops.
At just 2.2 g and roughly 24 mm long, the BTD 700 is truly pocketable and ships with a USB-A adapter for older hosts, making it easy to leave in a port or move between rigs. Auracast support is a standout: broadcast audio to multiple compatible receivers for shared listening in offices, classrooms, or watch parties—future-facing utility that most built-in radios still lack. Real-world reviews highlight meaningful sound quality and stability gains versus many native Bluetooth stacks, especially with Sennheiser Momentum and newer Accentum models, though benefits depend on the headphone’s codec support and your environment. At INR 4,990 in India, it’s priced aggressively for the feature set and is widely available via Sennheiser’s channels and major retailers.
Verdict: A must-have wireless “upgrade chip” for creators, gamers, and audiophiles—aptX Lossless, Game Mode, and Auracast make it one of the most future-proof, plug-and-play audio dongles you can buy today.
Rating: 4.5/5
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