Anker Life U2i wireless neckband (upgraded)

Sound Quality: The headphones are equipped with 10mm dynamic drivers (some sources specify graphene drivers) that deliver rich, detailed sound with crisp highs and powerful bass, enhanced by Anker's BassUp technology and dual EQ modes.

Battery Life and Charging: They offer an impressive battery life of up to 22 hours (some sources for the upgraded version specify up to 24 hours) on a single charge. The fast-charging feature provides up to 3 hours of playtime from a 10-minute charge via USB-C.

Call Quality: A built-in microphone with an AI algorithm (or cVc 8.0 Noise Reduction technology in some versions) filters out environmental noise, ensuring your voice is heard clearly during calls.

Durability: With an IPX5 water-resistant rating, the Life U2i can withstand sweat and light rain, making them suitable for workouts and outdoor activities.

Design and Comfort: The neckband is made of ultra-light materials and features an ergonomic, foldable design for comfort and portability. The earbuds have built-in magnets that secure them together when not in use, preventing tangles.

Connectivity: They use Bluetooth 5.0 (or 5.3 in upgraded versions) for a stable and efficient connection.

Control: The headphones feature on-device controls for managing music playback, volume, and calls.