ANKER Soundcore Life U2I Bluetooth in Ear Neckband, Patented Bassup Technology, Ipx5 Water-Resistant, Ai-Enhanced Calls, Bluetooth 5.3 Quick Connectivity, 20H Playtime, Foldable and Lightweight,Black

Patented BassUp Technology: This technology enhances the bass output of the headphones, which may be appealing to listeners who enjoy bass-heavy music.
IPX5 Water-Resistant: The headphones can withstand splashes of water and sweat, making them a good option for workouts or running.
AI-Enhanced Calls: The headphones use AI to improve the quality of your voice during calls by reducing background noise and amplifying your voice.
Bluetooth 5.3 Quick Connectivity: The headphones use Bluetooth 5.3 for a fast and stable connection to your devices.
20H Playtime: The headphones can provide up to 20 hours of playtime on a single charge.
Foldable and Lightweight: The headphones are foldable for easy storage and portability. They are also lightweight, so you won’t feel them weighing down your neck.