Pro4 TWS Bluetooth Earphones: 9D Stereo HiFi Wireless Earbuds with Mic

Style:  In-ear
Vocalism Principle:  Balanced Armature
Active Noise-Cancellation: No
Material: Plastic
Hign-concerned Chemical: none
Control Button: Yes
Communication: WireLess
Volume Control: No
Category: Earphones & Headphones
Plug Type: none
Impedance Range: up to 32 Ω
Headphone Pads Material: other
Sound Isolating: YES
Support Memory Card: No
Waterproof: Yes
Frequency Response Range: 20 - 20000
Magnet Type: other
Voice assistant built-in: no
Wireless Type: bluetooth
Package List: User Manual
Package List: Charging case
Package List: Charging Cable
Height[mm]: 50
Width[mm]: 50
Driver Diameter: 20
Resistance: 32
Depth[mm]: 50
Sensitivity: 123
Is wireless: Yes
Weight[g]: 45
NFC Technology: no
Connectors: USB
Earcups Type: Semi-open
Bluetooth Version: 5.0
Battery life up to[hours]: 12
Total Harmonic Distortion: 10
Charging Method: cable
Support APP: No
Battery Capacity[mAh]: 250
Maximum wireless range[m]: <10m
With Microphone: Yes
Features: waterproof
Features: With Microphone
Features: Active Noice Cancelling
Features: Dual Connection