Experience wireless freedom with the OSP 3 Bluetooth Neckband Earphones, designed for all-day comfort and exceptional audio performance. The ergonomic neckband design features ultra-soft, skin-friendly materials that stay comfortable during extended wear, while the lightweight construction (just 45g) makes them perfect for workouts, commutes, or daily use. With an impressive 50-hour playtime from the 800mAh battery, you can enjoy uninterrupted music, podcasts, or calls throughout your week - a quick 10-minute Type-C charge provides 5 additional hours of playback when you're in a hurry.The advanced Bluetooth 5.4 technology ensures stable, low-latency connections up to 15 meters, with crystal-clear stereo sound that brings your music to life. Unique among neckbands, the OSP 3 includes TF card support, allowing you to load music directly onto the device and play without a Bluetooth connection - perfect for workouts when you want to leave your phone behind. The built-in LED indicator clearly displays battery status and connection mode, while the magnetic earbuds snap together securely when not in use. Sweat-resistant and durable, these earphones are ideal for active lifestyles, featuring intuitive controls for music playback, volume adjustment, and call management directly on the neckband.7 Bullet Points:✔ 50-hour marathon playtime (800mAh battery)✔ Bluetooth 5.4 with 15m stable range✔ TF/MicroSD card support for phone-free playback✔ Skin-friendly, lightweight neckband (45g)✔ Fast Type-C charging (10min=5hrs playback)✔ Magnetic earbuds with secure snap closure✔ Sweat-resistant design for active use10 Product Keywords:OSP 3 neckband earphonesBluetooth 5.4 neckbandLong battery earphonesTF card support earphonesType-C charging neckbandStereo sound earphonesSkin-friendly Bluetooth earphonesSports neckband earphonesMagnetic wireless earphones50-hour playtime earphones