Oraimo Necklace Earphones Lite (OEB-311): Product: Oraimo Necklace Earphones Lite (Model OEB-311)Bluetooth: Version 5.3 with up to 10 m range Battery: 220 mAh — Up to 30 hrs playtime on a single charge Charging: USB-C input Sound: 10 mm dynamic drivers with HeavyBass™ for rich audio Call Features: Vibration alerts & ENC noise reduction for clear calls Connectivity: Dual-device pairing and low-latency gaming/audio mode Design: Ergonomic neckband with magnetic earbuds for tangle-free carry Water Resistance: IPX4 sweat/light splash-proof
