Sennheiser MOMENTUM True Wireless 4 Smart Wireless Bluetooth Clear Noise Comfortable 30 Hours of Adaptive LE Auracast Black Copper Earbuds, 5.4,

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【Voltage Compatibility】 When using electrical appliances, please note that they are designed for Japanese voltage specifications (90-110V), so if you use them with a different voltage, it may cause a malfunction.

【Plug Type】 Our products use Japanese plug types (A or B type). Please use a conversion adapter if necessary.

【Important Note on Transformers and Adapters】 A transformer adjusts voltage to match your device’s requirements. A conversion adapter only changes the plug shape and does not adjust voltage. Using only a conversion adapter without a transformer may result in damage to the product.

【Liability】 We are not responsible for malfunctions or damages caused by improper use, such as operating the product without a transformer. ------------------------------------------------------------------------------------------------------------------

Seamless connectivity and smart features: Sennheiser MOMENTUM True Wireless 4 earphones feature Bluetooth 5.4 and offer easy pairing, intuitive operation and wireless convenience with Sennheiser earphones' multi-point connectivity and customizable touch controls. Adaptive Noise Cancellation and Transparency Mode: Your Bluetooth earbuds can reduce ambient noise with optimized ANC (Active Noise Cancellation) or let in your surroundings with Transparent Mode (Ambient Sound Transparency). Secure fit and all-day comfort: MOMENTUM True Wireless 4 wireless earbuds feature an ergonomic design and ultra-soft silicone ear tips for comfortable wear, even during long listening sessions. Long-lasting charging case: MOMENTUM True Wireless 4 wireless earphones have up to 30 hours of playback time including the case, so you can rely on them for listening and calls on the go. LE Audio & Auracast Supported: The noise-canceling wireless earbuds support LE Audio (low energy audio) and Auracast (audio sharing technology), providing a future-proof listening experience and improved audio streaming and music listening. Includes a variety of accessories: wireless earbuds (Bluetooth earbuds), charging case, USB-C cable, and extra ear tips for a personalized fit and high-quality audio. Seamless connectivity with Sennheiser BTD 700: MTW4 wireless earphones easily pair with the BTD 700 USB dongle, ensuring a stable, high-quality wireless audio connection—ideal for PC or Mac users looking for low latency and superior performance.