• XUNDD B003: Professional swimming bone conduction Bluetooth-compatible headphones
• Magnetic Charging: Headset battery capacity 180mAh, 12 hours long battery life
• IPX8 Waterproof: Sealed integrated waterproof structure design, deep waterproof
• Wear Comfort: The headset weighs only 27g and is lightweight and compact
• Dual-core Bluetooth-compatible 5.3: Stabilized connection, faster and lower loss

Specifications:

• Play/Talk time: about 12h 
• Transmission distance: >10meters
• Headphone Battery capacity: 180mAh
• Standby time: 160 hours
• Charging time: 2 hours
• Executive standard: Q/XUNDD 8-2019