• Bluetooth-compatible chip: JL 7003 connection stability/signal enhancement / clear calls
• Hall Switch: Spring hinge/ultra-low power consumption/subwoofer enhancements/master-slave switching                                   
• Accessories: Comes with 4 sets of ear caps comfortable to wear without swelling ears
• 500mAh Charging Case: With a large capacity charging case, long-term use

Specifications:

• Program: JL 7003                                            
• Bluetooth-compatible version: 5.2  
• Charging interface: Type-C                                      
• Music playback time: 5h
• Speaker: Graphene speaker 13mm
• Standby time: 15 days                                       
• Connection distance: 15m
• Charging time: headphone charge about 1h, charging case charging 1h                
• Battery capacity: headphones 50mAh & charging case 500mAh 
• Waterproof rating: IPX5
• Shell material: ABS/rubber oil
• Music time: 5h 
• Calling: 5h