- Type of microphone: Omnidirectional polarized microphone-2. Receiver audio plug: Type-C-3. Battery capacity: Charging compartment 400mAh, microphone 70mAh-4. Usage time: 5-6 hours; Charging time: 2-3 hours-5. Material: ABS; Size: 71 * 48 * 31mm; Weight: 58g-6. Support intelligent AI noise reduction mode-7. Compatible with most models of Huawei, Xiaomi, OnePlus and other brands, and supports some models of Samsung phones