Product Description: Features: 1. **Stable Wireless Connection:** Compatible with Bluetooth 5.1, providing faster, more stable, and wider compatibility with iOS and Android smartphones, tablets, laptops, and MP3 players. 2. **Long Battery Life:** Equipped with a 120 mAh high-capacity battery offering up to 6 hours of continuous talk time, 8 hours of music playback, and 120 hours of standby time, fully charged in about 1 hour. 3. **HD Stereo Sound:** Built-in noise-canceling microphone and HiFi bass, allowing you to enjoy wireless calls and music while driving, running, or working. 4. **Neckband Design, Sweat and Water Resistant:** The neckband design provides extra flexibility, portability, and durability during exercise. It is durable, won't fall off, and won't cause pain even after prolonged use. IPX water resistance rating makes it ideal for sports. Specifications: Version: 5.1 Standby time: 120 hours Music playback time: 8 hours Talk time: 6 hours Charging time: 1 hour Frequency range: 2.402 GHz–2.480 GHz Transmission distance: Maximum 10 meters/33 feet Cable length: 23.6 inches Battery capacity: 120 mAh Package contents: 1 x Wireless headphones 1 x USB charging cable 1 x User manual