TWS i7s Wireless Headset Bluetooth Earphones Waterproof Music Headphones Sports Earbuds Business Headset Work on all Smartphones

Brand Name:MILUDI
Vocalism Principle:Orthodynamic
Control Button:Yes
Active Noise-Cancellation:Yes
Communication:Wireless
Volume Control:Yes
Sensitivity:120dB
Wireless Type:Bluetooth
Is wireless:Yes
Function:For Internet Bar
Function:for Video Game
Function:Common Headphone
Function:For Mobile Phone
Function:Sport
Plug Type:Line Type
Package List:User Manual
Package List:Charging Cable
Impedance Range:up to 32 Ω
Connectors:USB
Model Number:i7s TWS
Bluetooth Version:5.0
Codecs:AAC
Resistance:35Ω
Waterproof:Yes
Frequency Response Range:20 - 20000Hz
With Microphone:Yes
Features:Waterproof
Bluetooth version:5.0
Power level:CLASS 2 and Class 3
Output power:30mW
Frequency response:2.4-2.85GHz
Operating voltage range:3.0V-5V
Mic:-42dB (with microphone)
Powerful noise de-noising circuit:(active noise reduction)
Earphones battery:Polymer lithium battery 50mA
Charging time:1-2 hours
Talk time:2-3 hours
Music time:2-3 hours
Standby time:130 hours
Transmission distance:Out door strainght distance of 10-15 meters
Support wholesale:yes
Support System 1:IOS
Support System 2:Android
Support System 3:Windows
Color:Black,White,Red,Pink,Gold