Sanag A31S Pro Open Ear Wireless Bluetooth Sports Air Conduction Headphones /Black-blue

Features:

• Bluetooth 5.3
• IPX7 Waterproof
• Magnetic charging
• CVC Noise Reduction
• Built-in 16-64g memory
• 8 hours long battery life
• 360° ACS Panoramic Sound
• Lightweight and Portable:25g
• Sanag app unlocks more functions
• DT5.0 Directional Sound Transmission

Specs:

• Bluetooth version: 5.3
• Weight: 25g
• Charging time: about 1.5 hours
• Headphone battery capacity: 150maH
• Frequency response: 210Hz-20KHz
• Music time :  About 8 hours