Brand Name: Erilles Vocalism Principle: Balanced Armature Control Button: Yes Active Noise-Cancellation: Yes Communication: Wireless Volume Control: Yes Style: Neckband Sensitivity: 123dB Wireless Type: Bluetooth Is wireless: Yes Max Output: 0mW Line Length: 0.6m Support APP: No Function: for Video Game Function: Common Headphone Function: For Mobile Phone Function: HiFi Headphone Function: Sport Number Of Drivers: 2 Plug Type: Line Type Package List: User Manual Impedance Range: up to 32 Ω Connectors: None Model Number: Bluetooth earphone Earcups Type: Semi-open Headphone Pads Material: Silicone Bluetooth Version: 5.0 Codecs: AAC Support Memory Card: No Driver Diameter: 20mm Resistance: 32Ω Waterproof: Yes Frequency Response Range: 20 - 22000Hz Total Harmonic Distortion: 0% With Microphone: Yes Features: Waterproof Charging Method: CABLE Magnet Type: Other Function 1: Sports bluetooth earphone with microphone Function 2: IPX4 Waterproof Wireless Earphone for Iphone X XS MAX XR 8 7 6 Plus Function 3: Bluetooth V5.0 Earphone for Samsung Galaxy S9+ S8 S10 Function 4: In-ear Bluetooth Earphone for Running Fitness Function 5: HI-FI Sound Earphone fro Xiaomi 9 8 7 Function 6: Strong Bass Bluetooth earphone for iphone 6 6s 5s 4 Function 7: Sports stereo Bluetooth earphones for Honor 10 9 8 Lite Function 8: Big power Bluetooth Earphone for Redmi Note 8 7 pro Function 9: Wireless Earphones For Samsung For Huawei For Xiaomi For Sony For LG Function 10: 1h Fast Charging Could Use 12 Hours