Omnidirectional electret microphoneAudio receiver connector: Type-CCompatible with most Huawei, Xiaomi, OnePlus and other brands, and supports some phone models SamsungBattery capacity: 80 mAh; Charging time: 2-3 hoursUsage time: 5-6 hoursMaterial: ABS; Dimensions: Microphone 30 * 30 * 21 mm /...