Sennheiser MOMENTUM True Wireless 4 Wireless Earphones Offering high-quality sound and a comfortable fit. This is a listing for the Sennheiser MOMENTUM True Wireless 4. ✅ Condition • Operation confirmed (sound output from left and right, pairing, charging, noise cancellation OK) • Disinfected and cleaned with 99.5% ethanol • Stored in a non-smoking, pet-free environment • There are no noticeable scratches and it is generally in good condition, but please consider this as a used item. ⸻ ✅ Accessories • Charging case • Silicone ear tips: (L size attached, please check the photos) • Ear fin set: (attached, nothing else is included) ⸻ ✅ Main Specifications • Driver: 7mm dynamic type • Frequency: 5Hz～21kHz / Sensitivity: 107dB • Bluetooth 5.4 (SBC, AAC, aptX, aptX Adaptive, aptX Lossless compatible) • Adaptive ANC, splash-proof (IPX4), Qi wireless charging compatible • Weight: Approximately 12.4g per ear ⸻ ✅ Features of this model • Sennheiser's proprietary 7mm TrueResponse driver → Achieves high-resolution mid-high frequencies, tight bass, and a wide soundstage • aptX Lossless support → Enables CD-quality wireless playback (when using a compatible device) • Adaptive ANC (automatic noise cancellation) • External sound mode allows for natural conversation and announcement confirmation • Multipoint connection (simultaneous connection of 2 devices such as smartphone + PC) • IPX4 splash-proof for peace of mind in rain or sweat • Qi wireless charging compatible / Quick charging (approximately 1 hour of playback with 8 minutes of charging) • Up to 30 hours of playback (when used with the case) ⸻ ✅ Shipping • Free shipping • Scheduled to ship within 24 hours • Carefully packaged with bubble wrap and delivered via anonymous shipping