Brand Name: Smartch
Style: Ear Hook
Vocalism Principle: Dynamic
Origin: Mainland China
Active Noise-Cancellation: Yes
Material: Plastic
Control Button: Yes
Communication: WireLess
Volume Control: No
Category: Earphones & Headphones
Certification: None
Support Memory Card: No
Waterproof: No
Wireless Type: Bluetooth
Line Length: 0
Codecs: AAC
Resistance: 32
Sensitivity: 120±3dB
Is wireless: Yes
Connectors: None
Support APP: No
Function: Monitor Headphone
Function: For Mobile Phone
Function: HiFi Headphone
With Microphone: Yes
Bluetooth Version: 4.1
Choice: yes
semi_Choice: yes