80Hrs Extra Long Playtime Neckband Wireless Earphones Headphones, V5.3 Bluetooth Headphones Stereo Bass in-Ear Headsets with Mic, Waterproof Neckband Earbuds for Sport, Support SD Card (Black & Red)

["Ultra-Long Battery Life - With up to 80 hours of playtime on a single charge, these neckband Bluetooth headphones are perfect for an on-the-go lifestyle. Whether you’re working out, running, or hitting the gym, enjoy nonstop music along with over 1800 hours of standby time—so you’ll never miss a beat.","Bluetooth 5.3 & Easy Controls - Experience fast and stable connectivity thanks to advanced Bluetooth 5.3 technology, offering a smooth, low-latency listening experience. The built-in inline controls and microphone let you effortlessly manage music, adjust volume, and handle calls with ease.","Comfortable & Secure Fit - Designed with a soft, skin-friendly silicone neckband, the BT-8 headphones provide all-day comfort and stay firmly in place during any activity. The magnetic earbuds snap together when not in use, preventing drops and tangles. Ergonomically shaped for sports, they offer a secure fit that stays put.","Multi-Functional & Multi-Mode - Besides wireless connectivity, these headphones also support microSD card mode for offline listening. Choose from 8 preset EQ sound profiles to match your mood or activity. With a single touch, you can even switch to Game Mode for enhanced audio response.","HD Stereo & Clear Calls - Immerse yourself in powerful, dynamic sound with deep bass driven by high-performance drivers. The passive noise reduction algorithm ensures clear voice pickup by minimizing background noise, so your calls come through loud and crisp."]