Key Features:

• Variable Battery Life: Performance tailored to different usage patterns.
• Balanced Sound Quality: Ideal for both calls and music with clear audio.
• Water-Resistant: Suitable for outdoor use with water-resistant features.
• Comfortable Design: Lightweight with a secure fit for extended wear.
• Bluetooth 5.0: Seamless connection with most devices.

Detailed Specifications:

• Style: On-Ear
• Vocalism Principle: Bone Conduction
• Active Noise-Cancellation: Yes
• Material: ABS, Silicone
• Control Button: Yes
• Volume Control: Yes
• Waterproof: Water-Resistant
• Bluetooth Version: 5.0
• Battery Life: Varies by Usage
• Charging Time: About 2 hours
• Bluetooth Range: ≥10M
• Special Features: Bone Conduction, Water-Resistant, Comfortable Fit

What's Inside the Box:

• Sanag B21S Bone Conduction Headphones
• Charging Cable
• User Manual