Here are the specifications for the KDM Evergreen A1 ECO 165 Super Bass 15 H Music Time Wireless Neckband Bluetooth Headset:

1. Model: Evergreen A1 ECO 165
2. Color: Black
3. Design: In-ear wireless neckband
4. Bluetooth Version: 5.0
5. Bass: Super Bass for enhanced audio experience
6. Music Time: Up to 15 hours of continuous playback
7. Connectivity Range: Up to 10 meters
8. Neckband Style: Comfortable and ergonomic design for prolonged use
9. Controls: Easy-access control buttons for managing calls, music playback, and volume
10. Compatibility: Compatible with a wide range of Bluetooth-enabled devices such as smartphones, tablets, and laptops
11. Battery: Rechargeable lithium-ion battery
12. Charging Time: Approximately 2 hours for a full charge
13. Lightweight: Designed for portability and convenience
14. Microphone: Built-in microphone for hands-free calling
15. Noise Cancellation: Passive noise cancellation for an immersive listening experience
16. Warranty: Manufacturer's warranty included