Newest TWS Bluetooth Earphones Earbuds Wireless Headphones with Charging Case

• Bluetooth Version: 5.1
• Chipset: JL 6973 Automatic pairing
• Support: A2DP, AVRCP, H-SP, H-FP
• Battery Capacity: Earphone battery 30mAh
• Charging Case Battery: 300mAh
• Speaker Impedance: 32Ω ± 15%
• Effective Distance: 10-15M
• Working Hours: 4 hours
• Earphone Charging Time: About 1H
• Charging Case Charging Time: About 1.5H