Product Specifications: 

• Vocalism Principle: Dynamic
• Control Button: Yes
• Active Noise-Cancellation: Yes
• Communication: Wireless Wired
• Volume Control: Yes
• Style: Neckband
• Sensitivity: 90dB
• Wireless Type: bluetooth
• Is wireless: Yes
• Line Length: Nonem
• Support APP: No
• Function: for Video Game
• Function: For Mobile Phone
• Function: HiFi Headphone
• Function: Sport
• Connectors: USB
• Model Number: X9 True wireless Bluetooth neckband headphones
• Codecs: SBC
• Support Memory Card: No
• Resistance: 16ΩΩ
• Waterproof: Yes
• With Microphone: Yes
• Bluetooth version: V5.0 EDR
• Working time: About 7-8 hours
• Charging time: About 1hours