Bluetooth Wireless Headphones Against Loud Noise Lavalier Business BT 5.4

Brand Name: CSHZCE
Style: In-ear
Vocalism Principle: Dynamic
Origin: Mainland China
Material: Plastic
High-concerned chemical: None
Communication: WireLess
Volume Control: Yes
Category: Earphones & Headphones
Certification: NONE
Number Of Drivers: 1
Plug Type: NONE
Impedance Range: up to 32 Ω
Headphone Pads Material: Other
Active Noise-Cancellation: No
Support Memory Card: No
Waterproof: Yes
Frequency Response Range: 20 - 20000
Magnet Type: Other
Wireless Type: Bluetooth
Line Length: 0None
Package List: User Manual
Control Button: Yes
Codecs: NONE
Driver Diameter: 8
Resistance: 32
Sensitivity: 120±2
Is wireless: Yes
Connectors: None
Earcups Type: Sealed
Bluetooth Version: 5.1
Total Harmonic Distortion: 0.03
Charging Method: cable
Max Output: 0.05
Support APP: Yes
Function: Common Headphone
Function: For Mobile Phone
Function: HiFi Headphone
Function: Sport
With Microphone: Yes
Features: With microphone
feature 1:: hands-free microphone
feature 2:: headphones in lotus
feature 4:: Headphones for a mobile phone
feature 5:: earphones for running
feature 7:: earphone wireless phone
feature 8:: bluetooth headphones
feature 10:: earphones with microphone
feature 12:: earpiece lotus with wire
feature 13:: headphones lotus
feature 14:: headset lotus with wire
feature 15:: earphone lotus with wire
feature 16:: headset lotus
feature 17:: ears in lotus with wire
feature 18:: phone headset for phone
feature 19:: hands-free lotus
feature 20:: ear blues with wire
feature 21:: bluetooth headset with retractable wire
feature 22:: mini telefoon