Material: ABS,plastic Battery Capacity[mAh]: 30mAh/250mAh Category: Earphones & Headphones Charging Method: Charging case Bluetooth Version: 5.3 With Microphone: Yes Is wireless: Yes Active Noise-Cancellation: No Volume Control: Yes Control Button: No Vocalism Principle: Dynamic Wireless Type: bluetooth Communication: True Wireless Style: In-ear Origin: Mainland Model: PRO4