Wireless Connectivity: Bluetooth Version: 5.1 Range: 10 meters Design: Magnetic Neckband: The headphones come with a magnetic neckband, ensuring easy and secure storage when not in use. Audio Output: Output Power: 3mW x 2 Impedance: 160 ohms Sensitivity: 128dB at 1kHz Battery Life: Talk Time: Up to 30 hours Music Playback Time: Up to 25 hours Standby Time: Up to 250 hours Battery Capacity: 200mAh Charging: Full Charge Time: 1 hour Additional Features: The headphones provide a reliable wireless connection with a Bluetooth version 5.1, ensuring compatibility with a wide range of devices. The magnetic neckband design adds convenience by keeping the earbuds securely in place when not in use. The headphones offer a long battery life, providing up to 30 hours of talk time and 25 hours of music playback on a single charge. The quick charging feature allows for a full charge in just 1 hour. With a range of 10 meters, users can enjoy wireless freedom without being tethered to their devices. Please note that specific details may vary, and it's always a good idea to refer to the product manual or official specifications for the most accurate and up-to-date information.