Description Specification Main Feature Frequency Music mode: 20Hz – 20000Hz Speak mode: 100Hz – 8000Hz Connection Type Bluetooth Microphone 2 x MEMS Battery Rechargeable lithium-ion battery Charging time: Up to 3 hours Fast charge: Up to 1-hour use, when charging earbuds for 10 minutes in charging case Duration Earbuds and charging case: Up to 21 hours Earbuds: Up to 7 hours Standby time: Up to 75 Days Physical Specification Connector Bluetooth 5.2 Drivers 6mm | 0.236in Weight Each earbud: 4.6g | 0.162oz Charging case: 31g | 1.09oz Color Dark Grey Warranty Warranty 2 year
