Acefast N4 Neckband In-Ear Earphone with TF-Card Play

Bluetooth Version: 5.3 Waterproof rating: IPX4 Battery Capacity: 800mAh 7 days replacement warranty ========================== Features: LED Digital Display: Shows volume and power level for easy monitoring. TF Card Playback Support: Enjoy music directly from a TF card without connecting to a device. 130 Hours of Music Playback: Extended playtime for uninterrupted enjoyment. Magnetic Absorption Design: Securely locks earbuds together to prevent tangling when not in use. USB-C Fast Charging: Provides 10 hours of usage with just a 10-minute charge. Skin-Friendly Ergonomic Design: Made with silicone for a comfortable and secure fit. Waterproof Rating: IPX4-rated for resistance to sweat and light rain, ideal for workouts and outdoor activities. Specifications: Bluetooth Version: 5.3 Waterproof rating: IPX4 Transmission Distance: 10m Driver: 10mm Frequency Response: 20Hz–20kHz Battery Capacity: 800mAh Input: DC5V⎓1A (USB-C) Charging Time: ~3 hours Music Playback: Up to 130 hours (at 60% volume) Talk Time: Up to 100 hours (at 60% volume) Standby Time: ≥300 hours (connected but not playing)