The Sennheiser BTD 700 is a Bluetooth 5.4 adapter that delivers high-resolution and lossless audio via a USB-C connection. Suitable for both music listening and gaming, this dongle combines high-resolution, lossless sound with ultra-low latency and easy Plug & Play use, offering versatile device and system compatibility.

High-resolution sound and lossless playback across devices

The BTD 700 enables clear and precise sound quality with various devices, including iOS, Android, Mac, and PC systems. AptX Adaptive support (up to 24-bit, 96 kHz) and lossless aptX Lossless produce clear, accurate, and immersive audio.

Low latency and gaming mode – optimal gaming experience

A dedicated gaming mode provides an ultra-low 30-millisecond delay, keeping audio and video perfectly in sync. This enhances the gaming experience and also makes media viewing and communication delay-free.

Auracast technology shares audio with multiple headphones

Auracast enables high-quality, low-latency Bluetooth audio transmission to multiple devices simultaneously. This is useful for sharing audio to multiple headphones at home, in the office, or at events.

Easy Plug & Play use and firmware updates

The adapter works effortlessly on a Plug & Play basis: connect it to a USB-C port, pair your headphones once, and switch between devices without re-pairing. It also comes with a USB-A to USB-C adapter, increasing connectivity options. The Sennheiser Transmitter Updater app allows easy firmware updates.

Technical specifications

• Bluetooth 5.4, class 1, 10 mW
• Frequency range 2,402–2,480 MHz; modulations GFSK, π/4 DQPSK, 8DPSK
• Supports profiles HFP, A2DP, and Auracast™
• Audio codecs: Qualcomm aptX, aptX Adaptive (up to 24 bit/96 kHz), aptX Lossless, SBC, LC3
• Power supply 5 V, 100 mA (input voltage 4.75–5.25 V)
• Dimensions: dongle approximately 23.8 x 15.2 x 7.6 mm, weight approximately 2.2 g; adapter approximately 25.7 x 15.2 x 7.6 mm, weight approximately 3 g
• Operating temperature 0–45 °C, storage temperature –25–70 °C
• Supported operating systems: Windows 10 or newer, MacOS 11 and 12, Android 13 or newer, iOS devices with USB-C connection

Package contents

• Sennheiser BTD 700 USB-C Bluetooth adapter
• USB-C to USB-A adapter
• Quick guide