The Oraimo Necklace 4 is a high-performance Bluetooth neckband headset equipped with Bluetooth 5.3 for a stable 10-meter wireless range. It boasts an impressive 350mAh battery capacity, providing up to 50 hours of playtime on a single charge, ideal for long listening sessions. The Type-C charging input allows for quick and convenient recharging. Designed for comfort and durability, the Necklace 4 is perfect for uninterrupted music and calls throughout the day.