Bluetooth version: 5.0 Horn diameter: Φ6mm Microphone sensitivity: -42dB working time: 5h Charging time: 1.5h Working range: 10 m Headphone battery capacity: 45 mAh Product weight: 5.5gx2 Working temperature: -10-45 °C Portable charging case Input: 5V Charging time: 1.2h Battery capacity: 500 mAh Weight: 40.7 g
