Brand Name: ALWUP
Connectors: None
Control Button: Yes
Active Noise-Cancellation: No
Style: Ear Hook
Communication: Wireless
Vocalism Principle: Dynamic
Volume Control: No
Wireless Type: Bluetooth
Codecs: None
Support Memory Card: No
With Microphone: Yes
Model Number: I9
Resistance: 32Ω
Frequency Response Range: 20-20000Hz
Function: Common Headphone
Function: For Mobile Phone
Function: Sport
Sensitivity: 100±3dB
Waterproof: No
Is wireless: Yes
Line Length: None
Plug Type: Wireless
Support APP: No
Earbuds battery: 50mAh
Box battery: 400mAh
Music time: 4-7 hours
Box charging: About 3 times
Must buy 1: Automatic boot & pairing
Must buy 2: Super strong signal About 15-20m
Must buy 3: Single or double switch free
Must buy 4: Newest Chip Bluetooth 5.0
Must buy 5: Stereo Bass Headset
Must buy 6: TWS Bluetooth 5.0