Note:This is a high imitation product, the material and quality are very close to the original. Brand Name: OEM Vocalism Principle: Dynamic Control Button: Yes Active Noise-Cancellation: No Communication: True Wireless Volume Control: No Sensitivity: 95dB Wireless Type: Bluetooth Is wireless: Yes Support APP: No Function: Monitor Headphone Function: for Video Game Function: Common Headphone Function: For Mobile Phone Function: HiFi Headphone Function: Sport Plug Type: NONE Package List: User Manual Package List: Charging case Package List: Charging Cable Package List: Replaceable Pads Set Impedance Range: up to 32 Ω Connectors: None Model Number: JBL UA FLASH Project Rock Headphones Headphone Pads Material: Silicone Bluetooth Version: 4.2 Support Memory Card: No Resistance: 14Ω Waterproof: No Frequency Response Range: 20 - 22000Hz With Microphone: Yes Features: Apple Siri Support Charging Method: Charging case Product Name: JBL True Wireless UA Flash Project Rock In-Ear Headphones Drive Unit Size: 5.8MM Impedance: 14ohm Bluetooh profile: A2DP v1.3, AVRCP v1.5, HFP v1.6 Headphone battery type: Rechargeable Li-ion Headphone battery life: Up to 5 hours Headphone battery charge time: 2 hours from empty Charging case battery life: Up to 20 hours Charging case charge time: 2 hours from empty Connector: Micro USB charging #JBLTrueWireless #JBLUAFlashProjectRock #JBLUAFlashProjectRockHeadphones #UAFlashProjectRock #JBLUARockTWS