The MZ NB121 C-Series Wireless Magnetic Neckband Earphone offers a premium listening experience with advanced features for both music and calls. Here's a detailed description:

Bluetooth 5.1 Version: Provides a stable, efficient wireless connection with improved range and faster pairing.
3W Power Output: Delivers clear and powerful sound for a satisfying audio experience.
30 Hours Talk Time: Ideal for long calls, offering up to 30 hours of uninterrupted talk time.
25 Hours Music Time: Enjoy up to 25 hours of continuous music playback on a single charge, making it great for all-day use.
250 Hours Standby Time: The earphones offer an extended standby time of up to 250 hours, ensuring long-lasting performance even when not in use.
Frequency Range (20Hz-20kHz): Provides a wide frequency response, delivering rich and clear audio across low and high ranges.
1-Hour Charging Time: Fast charging ensures you're ready to use the earphones in just an hour, with minimal downtime.
Battery Capacity (200mAh): Equipped with a 200mAh battery for efficient power use, supporting extended playtime.
Transmission Distance (10m): Enjoy a wireless range of up to 10 meters, allowing you to move around freely without losing connection.
2200 Ohm Mic Impedance: Features a high-quality microphone that ensures clear voice transmission for calls.
Type-C Charging: The modern Type-C charging port provides faster and more convenient charging.
The MZ NB121 C-Series earphones are designed for users who want a blend of excellent sound quality, long battery life, and comfortable wireless use. The magnetic design allows for easy storage and portability, making it a perfect choice for active lifestyles.