1. Full directional polar microphone, DSP digital noise reduction2. Receiver audio plug: Type-C/Lightning3. Type-C is compatible with most models from brands such as Huawei, Xiaomi, and OnePlus, and supports some models from Samsung phones Lightning compatible phones and tablets with Lightning interface, supporting system upgrades4. Battery capacity: 60mAh Charging time: 2 hours5. Usage time: 3-4 hours6. Material: ABS; Size: Microphone 65 * 25 * 25mm * 2, Receiver 45 * 27 * 7mm Weight: Microphone 7.5g * 2, Receiver 4.5g