KL50 9D Stereo Digital Display Long Battery Life Neckband Design Headset with SD Card Can Be Inserted

Features:48 Hours Playtime: Enjoy nonstop music and calls for up to 48 hours on a single charge, ideal for workouts, travel, and daily useLED Battery Display: Smart digital display shows real-time battery percentage, so you never run out of power unexpectedlyTF Card & Bluetooth Playback: Play music directly from a TF/MicroSD card or connect wirelessly via Bluetooth 5.0 for smooth performanceComfortable Neckband Design and fashoinable : Lightweight, flexible silicone neckband fits securely around your neck for all-day comfort and stabilityBuilt-in Mic & Controls: Hands-free calling and music control through multifunction buttons on the neckband