Open Box IEsafy Portable Solar Power Bank Charger YD-820S Lithium Ion Battery 26800mAh

Sennheiser Signature Sound – Powered by Sennheiser’s audiophile-inspired 42mm transducer system for exceptional high-fidelity sound.

Adaptive Noise Cancellation and Transparency Mode – Advanced noise cancellation automatically adapts your sound to your surroundings. Transparency Mode lets you hear external sounds without removing your headphones.

Codec Support – Support for SBC, AAC, and aptX Adaptive ensures the highest quality option is automatically selected for your device.

Crystal-clear Calls – Four digital beamforming microphones ensure high quality voice pick-up and automatic wind noise suppression for optimized calls and easier voice assistant access.

Top-Tier Battery Life – Enjoy an outstanding 60 hours play back time with fast charging.