SPECIFICATIONS Style: Ear Hook Vocalism Principle: air Vocalism Principle Origin: Mainland China Material: Metal Material: PVC Material: Plastic Material: tpu Material: Silica GEL Hign-concerned Chemical: None Category: Earphones & Headphones Certification: CE Certification: RoHS Number Of Drivers: 2 Plug Type: none Impedance Range: up to 32 Ω Headphone Pads Material: Silicone Active Noise-Cancellation: Yes Sound Isolating: YES Waterproof: Yes Frequency Response Range: 20 – 20000 Wireless Type: bluetooth Package List: User Manual Package List: Charging Cable Package List: Replaceable Pads Set Height[mm]: 51mm Control Button: Yes Width[mm]: 22mm Driver Diameter: 13 Resistance: 22 Depth[mm]: 65mm Sensitivity: 108 Is wireless: Yes Weight[g]: 5g Connectors: Type c Battery life up to[hours]: 300H Charging Method: Charging case Function: for Video Game Function: Common Headphone Function: For Mobile Phone Function: for Powersports Function: HiFi Headphone Function: Sport Function: For Outdoor Function: For Office Function: For Study Battery Capacity[mAh]: 345mAh Maximum wireless range[m]: <10m With Microphone: Yes Features: waterproof Features: With Microphone Features: Apple Siri Support Features: Active Noice Cancelling Type 1: Air Conduction Open EarHook Type 2: air conduction earphones Type 3: Sports Wireless Headphones Battery Capacity of Earbuds: 45mAh*2 Battery Capacity of Charging Case: 300mAh Standby Time: 300H Stock: 100% High Quality in Stock Sales Way: Wholesale, Dropshiping, Retail fone de ouvidos bluetooth: Long Standby Bluetooth headset awei bluetooth earphones: open ear headphones