Feature: 1. Enjoy 30 hours of music playback on a single charge. You can listen to your favorite music all day long without worrying about running out of battery. 2. Equipped with 10mm dynamic drivers and the exclusive HavyBass algorithm, Necklace Lite offers an extraordinary listening experience with deep bass. 3. It consistently brings you the best sound quality by seamlessly tuning audio on oraimo Sound APP. oraimo also gives audiophiles and music enthusiasts the tools to tailor their exclusive style for their every whim. 4. Necklace Lite can connect 2 devices at the same time. Never worry about missing the calls from another phone. Specification: Features: Enjoy 30 hours of music playback on a single charge. You can listen to your favorite music all day long without worrying about running out of battery. Equipped with 10mm dynamic drivers and the exclusive HavyBass algorithm, Necklace Lite offers an extraordinary listening experience with deep bass. It consistently brings you the best sound quality by seamlessly tuning audio on oraimo Sound APP. oraimo also gives audiophiles and music enthusiasts the tools to tailor their exclusive style for their every whim. Necklace Lite can connect 2 devices at the same time. Never worry about missing the calls from another phone. Necklace Lite is featured with proprietary noise-canceling algorithm and microphone, which helps reducing surrounding noise and providing clear voice in calls. Specifications: BT Version: V5.3 BT Range: 10m Battery Capacity: 220mAh Playtime: Up to 30 hours Case Input: Type-C Package List: 1 * Necklace Headphone Package List: 1 * Necklace Headphone