Specification:

• Wireless distance: About 10m
• Music time: About 5 hours (70% of the volume)
• Music time with a charging case:  About 25~30 hours
• Battery capacity: 40mAh/0.148Wh (earphones), 400 mAh/1.48Wh (charging case)
• Charging time: About 1 hour
• Frequency response range: 20Hz-2OkHz
• Charge interface: Type-c
• Compatible device: Suitable for all wireless devices
• Waterproof grade: IPX5
• Product weight: About 42.3g