Outdoor Sports Bluetooth Wireless Dual Drivers Premium TWS Earbuds With 400mAh Charging Case

• Bluetooth Version：5.1
• Transmission distance: 10m     
• Battery capacity: 40mAh*2    
• Battery case capacity:400mAh                         
• Charging times: about 2 hours                                
• Playing time: about 5-6 hrs            
• Charging time:: 2.5 hrs    
• Talking time: 5 hrs