• Bluetooth-compatible 5.3 Technology: Experience faster and more stable connections with the latest Bluetooth-compatible 5.3 transmission, ensuring seamless wireless performance
• 85dB Hearing Protection: Designed with an 85dB volume limit to comply with international hearing safety standards, protecting your ears during extended use
• Soft and Durable Materials: Constructed with high-tensile, soft materials for comfort and resilience, resistant to twisting and long-term wear
• Long Battery Life: Equipped with a high-capacity built-in battery, providing extended playtime for all-day listening
• Rotary Volume Control: Easily adjust the volume with a convenient rotary dial for quick sound management

Specifications:

• Bluetooth-compatible version: 5.3
• Working range: 15m
• Speaker diameter: 2x40mm
• Sensitivity: 82+3dB
• Volume limit: <85dB
• Frequency response: 20Hz-20KHZ
• Impedance: 32 ohm
• Battery capacity: 300mAh (rechargeable lithium battery)
• Battery charging voltage: DC5V±0.25V
• Charging time: ≈2.5H
• Working time: ≈36H