Brand Name: INMAS Style: Wired in-ear headphones Vocalism Principle: Dynamic Origin: Mainland China Material: PVC Material: ABS Material: Silica Gel Communication: Wireless Volume Control: Yes Category: Earphones & Headphones Number Of Drivers: 2 Impedance Range: up to 32 Ω Active Noise-Cancellation: No Sound Isolating: Yes Waterproof: Yes Frequency Response Range: 20 - 20000 Wireless Type: Bluetooth Resistance: 32 Package List: User Manual Package List: Charging case Package List: Charging Cable Control Button: Yes Driver Diameter: 10 Sensitivity: 30 Is wireless: Yes Weight[g]: 50 Connectors: Type c Earcups Type: Semi-open Bluetooth Version: 5.1 Battery life up to[hours]: 200 Charging Method: Charging case Function: For Internet Bar Function: for Video Game Function: Common Headphone Function: For Mobile Phone Function: HiFi Headphone Function: Sport Function: For Outdoor Function: For Swimming Function: For Office Function: For Sleep Function: For DJ Function: For Study Battery Capacity[mAh]: 1000 With Microphone: Yes Features: Waterproof Features: With microphone Features: Amazon Alexa Support Features: Apple Siri Support Features: Dual Connection Features: Playback Control Model: I35 Neckband Wireless Earbuds Color: Black,Black Blue,Green,Black Gray,Pink Feature 1: TWS Bluetooth Headphones Touch Control Feature 2: Fashion In Ear Earphones Feature 3: HD Call Sports Headest Choice: yes