• 16mm speaker unit with metal composite diaphragm, full low-frequency vibration, clear and bright mid to high frequencies
• Newly upgraded with LED battery display, keeps track of earphone power at all times
• Using Type-C charging method, is convenient and practical, with a built-in 180mAh safe lithium battery 
• Multifunctional touch control, fully showcasing the quality of technology

Specification:

• Solution: BLUETRUM
• Bluetooth-compatible protocol: 5.3
• Battery capacity: 180mAh
• Charging time: about 1.5 hours
• Speaker unit: 16mm dynamic coil
• Transmission distance: ≥10m
• Wearing method: ear hanging type
• Battery life: about 20 hours
• Charging port: Type-C
• Speaker impedance: 32Ω±15%
• Waterproof performance: daily waterproof