Product Name: JBL Harman - Wireless Neckband Headsets Feature: ✅ Overview ✔ Bluetooth Connectivity:All models feature wireless Bluetooth (BT V5.0 to V5.3, model dependent), offering stable connections and wide compatibility with phones and other devices. ✔ Long Battery Life: KL.50 & BT.01: Up to 400 hours standby. G65: 20 hours talk/music time, 380 hours standby, 200mAh battery capacity. ✔ Hi-Res Audio Certified (Visible on packaging) – Delivers crisp, high-definition sound with powerful bass – perfect for music, calls, or workouts. ✔ Digital LED Display (on KL.50, BT.03, G65) – Clearly shows battery status, adding tech appeal and convenience. ✔ Sweat Proof & Sport-ReadyAll are designed with a secure fit and sweat-resistant materials – ideal for running, gym, or outdoor training. ✔ Built-in Controls & Mic:Control your music and answer calls hands-free with the integrated remote and microphone. ✔ Ergonomic Neckband Design:Flexible and comfortable to wear for long periods, with magnetic earbuds that stay secure when not in use. ✅ Product Information Category: Wireless Bluetooth Neckband Earphones BT Versions: V5.0 / V5.3 (varies by model) Battery Life (avg): Up to 20 hours playback / 400 hours standby (model specific) Key Features: Digital Display (on select models) HD Sound Sweat Proof Magnetic Earbuds Ergonomic Design USB Charging