Brand Name: IMIDO Vocalism Principle: Hybrid technology Control Button: Yes Active Noise-Cancellation: Yes Communication: Wireless Volume Control: No Style: In-Ear Wireless Type: Bluetooth Is wireless: Yes Support APP: No Function: for Video Game Function: For Mobile Phone Function: Sport Number Of Drivers: 2 Plug Type: Line Type Impedance Range: up to 32 Ω Connectors: USB Model Number: I7S Bluetooth Version: 4.2 Codecs: Apt-X Support Memory Card: No Resistance: 32Ω Waterproof: No Frequency Response Range: 20 - 20000Hz With Microphone: Yes Features: With Microphone Charging Method: Charging case color: as pictures show style: wireless bluetooth earphone Model number: i7s Tws bluetooth earphone Compatibility: Bluetooth stereo earphone charging box capacity: 350mAh earphone battery capacity: 40mAh