Wireless Bluetooth Headset Long Standby with Mic

Control Button: Yes Active Noise-Cancellation: No Style: Ear Hook Wireless Type: bluetooth Connectors: USB Communication: Wireless Vocalism Principle: Dynamic Volume Control: Yes Frequency Response Range: 20-2000Hz Function: Common Headphone Function: For Mobile Phone Function: Sport Sensitivity: 123dB Is wireless: Yes Plug Type: Wireless Support Memory Card: No With Microphone: YesModel Number: L9 Resistance: 9Ω Waterproof: No Line Length: 1.0m Support APP: No Color: Black, Red, Gold, White Model: L9 Talking time: About 36 hours Music time: About 32 hours Style: Ear hook Connection: Wireless Type: Bluetooth Retail box: Yes