• Comfortable: Designed to fit the structure of the human ear canal, it fits both ears without worrying about fall off and shift, making movement more unrestricted
• Bluetooth-compatible 5.4: Stable transmission, audio and image synchronization. Stronger compatibility, lower power consumption, and enjoy wireless pleasure to the fullest
• AI intelligent call noise reduction: The anti-noise ability of calls has been improved by 200% especially for seaside and cycling, allowing for clear communication during running 
• IPX4 waterproof: Life-grade waterproof, designed for sports, fearless of sweat, wind and rain, and daily splashes

Specifications:

• Bluetooth-compatible version: V5.4
• Charging interface: TYPE-C
• Waterproof level: IPX4
• Speaker diameter: 10mm
• Transmission distance: 10m
• Earphone battery capacity: 30mAh
• Charging compartment battery capacity: 200mAh
• Usage time: 3-5H
• Charging time: 2H
• Rated input: 5V
• Frequency response range: 50HZ-20KHZ
• Impedance: 32Ω
• Microphone sensitivity: -42±3dB