The NB114 Wireless Bluetooth Headphones feature a magnetic neckband design with a premium finish. Here are some key specifications and features:

Battery:

Rechargeable 200mAh battery.
Type C charger for convenient charging.
30 hours of talk time.
Impressive 250 hours of standby time.
Bluetooth:

Bluetooth version 5.1 for a stable and reliable wireless connection.
Sound Quality:

Premium HD clarity for a high-quality audio experience.
3mW x 2 output power for powerful and clear sound.
Impedance:

160 ohms impedance for optimized audio performance.
Charging:

Quick 1-hour charging time for minimal downtime.
Microphone:

Microphone sensitivity of -42dB+1 for clear voice capture.
Microphone impedance of 2200 ohms for effective communication.
These features suggest that the NB114 headphones are designed to provide a premium audio experience with a focus on clear sound, long battery life, and quick charging. The magnetic neckband design adds convenience when not in use, and the use of Type C charging ensures compatibility with modern devices. Overall, these headphones seem to offer a blend of functionality, durability, and style.