BTD 700 Bluetooth® USB Dongle

Clear Sound, Zero Effort

The BTD 700 Bluetooth® USB Dongle is a next-generation adapter designed to deliver highdefinition, low-latency wireless audio. Featuring aptX Lossless and Auracast™ technology, it transforms how you experience music, gaming, and calls-seamlessly and effortlessly.

• High-definition Audio

• Recommended for gaming*

• Plug & Play

• Phones & video Calls

Features

• Lossless Audio Quality - Supports aptX Adaptive (up to 24-bit, 96kHz) and aptX Lossless, for rich, high-resolution sound.

• Auracast™ Multi-Streaming - Connect multiple headphones or speakers to a single source for shared listening.

• Superior Call & Video Performance - Extended range, clearer voice pickup, and uninterrupted Bluetooth calls

• Game Mode with 30ms Low Latency* - Enjoy real-time audio sync for smooth, immersive gameplay and video streaming.

• Easy Plug & Play - No complicated setup; just plug in, pair once, and switch between devices without re-pairing.

High-definition audio

Feel Every Detail in Your Music, Movies, and Games

With support for aptX Lossless and aptX Adaptive, the BTD 700 Bluetooth® USB Dongle delivers rich, clear sound that elevates everything you listen to.

Plug And Play, No Complications

Set Up in Seconds

No drivers, no fuss. Just plug the BTD 700 Bluetooth® USB Dongle into your device, pair it once with your headphones, and you're ready to go. It's the fast, easy way to enjoy wireless audio.

Lag-Free Gaming & Streaming*

Game Mode for Perfect Audio-Video Sync

Say goodbye to lag. With latency as low as 30ms*, the BTD 700 Bluetooth® USB Dongle keeps your audio and video in perfect sync—ideal for smooth gaming and seamless streaming.

Multi-Device Streaming

Share the fun with Auracast™

Stream audio to multiple headphones or speakers at once using Auracast™. Perfect for sharing playlists or gaming with friends.

Clear Calls, No Interference

Perfect for Professional Meetings and Calls.

With enhanced voice pickup and extended Bluetooth® range, you’ll enjoy crystal-clear calls without dropouts or interference—ideal for work meetings or catching up with loved ones.

What's in the box?

• One BTD 700 Bluetooth® USB Dongle
• one USB-A to USB-C Adapter
• Quick Guide & Safety Guide

Sennheiser Dongle Control

For a personalized audio experience, download the Sennheiser Dongle Control app to customize audio modes, select codecs, and update firmware with ease.

Specifications

• Article number (SKU) 700434
• Connectivity Bluetooth 5.4 compliant, class 1, 10 mW (max)
• Tansmission freq/modulation 2,402 MHz to 2,480 MHz; GFSK, π/4 DQPSK / 8DPSK
• Supported Profiles HFP, A2DP, Auracast™
• Supported codecs Qualcomm® aptX™, Qualcomm® aptX™ Adaptive Audio, Qualcomm® aptX™ Lossless, SBC, LC3
• Power supply 5 V, 100 mA
• Input voltage 4.75 to 5.25 V
• Product weight Dongle: approx. 2.2 g / Adapter: approx. 3 g
• Product dimension (W/L/H) Dongle: approx. 23.8 x 15.2 x 7.6 mm / Adapter: approx. 25.69 x 15.2 x 7.6 mm
• Operating condition Operation: 0 to +45°C ; Storage: -25 to +70°C
• Supported operating systems Windows 10 or higher, Mac OS V11 and V12, Android 13 or higher, iPhone or iPad with USB-C
• Storage condition Temp: -25 to +70°C / Rel. humidity 10 to 90%
• App support Sennheiser Transmitter Updater / (PC/Mac)
• Country of origin Designed by Sennheiser in Germany, Made in Thailand