Specifications:

• Bluetooth Version: V5.0
• Frequency Response Range: 20-20kHz
• Wireless Propagation Distance: Approximately 10 meters
• Music Time: Approximately 4 Hours
• Charging Time of Earbuds: Approximately 1 Hour
• Charging Time of Charging bin: Approximately 2 Hours
• Earbuds Battery: 40 mAh
• Charging Case Battery: 1000 mAh
• Executive Standard: GB/T 14471-2013

Features:

• Wireless Portability
• Clear Acoustics
• High Capacity Battery
• IOS Electricity Display
• Volume
• Hands-Free Calls