• HIFI High Fidelity Music: Enhance sound effects and shock bass
• Intense Exercise, Unable to Shake Off: Self-plastic ear loop for stability and comfort
• New Wireless 5.3 Chip: Faster and more stable transmission speed
• Enhance Noise Reduction and High-Definition Calls: Call noise reduction and worry-free communication
• IPX5 Water Resistant: Sweat and rain are not easy to invade 

Specifications:

• Program: JL 6973 with ENC as standard
• Bluetooth-compatible version: 5.3
• Bluetooth-compatible name: J10
• Charging port: Type-C
• Music playback time: 5h
• Speaker: Graphene speaker f10mm
• Standby time: 15 days
• Connection distance: 15m
• Charging time: Headphones charge about 1h, charging case 1h                
• Battery capacity: 50mAh for headphones & 350mAh for charging case with protection plate
• Waterproof rating: IPX5 
• Case material: ABS
• Music time: 5h  
• Talking time: 5h