• Brand Name：Lenovo
• Style：Ear Hook
• Vocalism Principle：Bone Conduction
• Origin：CN(Origin)
• Active Noise-Cancellation：Yes
• Control Button：Yes
• Communication：True Wireless
• Volume Control：Yes
• Sensitivity：36dB
• Is wireless：Yes
• Certification：CE
• Number Of Drivers：2
• Plug Type：NONE
• Impedance Range：up to 32 Ω
• Connectors：USB
• Model Number：Lenovo X4
• Earcups Type：Open-back
• Headphone Pads Material：Other
• Bluetooth Version：5.0
• Support Memory Card：No
• Waterproof：Yes
• Frequency Response Range：20 - 20000Hz
• Total Harmonic Distortion：1%
• Charging Method：CABLE
• Magnet Type：Other
• Wireless Type：bluetooth
• Max Output：10mW
• Line Length：0m
• Support APP：No
• Function：Sport
• Package List：Charging Cable
• Driver Diameter：8mm
• Resistance：32Ω
• With Microphone：Yes
• Features：Lenovo X4 Bone Conduction Bluetooth Earphone
• headset gamer：Gaming earphone
• type：headset bluetooth
• feature 1：wireless headphones
• feature 2：Wireless earphones
• feature 3：Bluetooth headphones
• HD Clear Microphone：Bone Conduction Headphones with mic
• Sports Type：Sweat Resistant for Workouts, Running, Driving, Cycling and Hiking
• Earbuds Type：Bone Conduction Earbuds
• Headset Type：Bone Conduction Headset
• Headphones Type：Bone Conduction Headphones
• There could be some deviations due to manual measurement or slight color difference owing to photographing condition. Thank you for your understanding.
• If you do not understand what you can contact customer service at any time, I wish you a happy shopping.

Lenovo X4 Bone Conduction Headphone Wireless Bluetooth 5.0 TWS Waterproof Sweatproof Sport Running Stereo Neck Hanging Headset

Description:
Hanging ear design is not easy to fall off.
Waterproof, effectively prevents sweat from damaging components.
Waterproof, effectively prevents sweat from damaging components.
High capacity battery has lasting endurance. Ultra lightweight, convenient to carry and wear.
Built-in BT chip, has stronger and more stable transmission speed, lower Power consumtion, and more powerful performance.

Specifications:
Item name: Bone Conduction Headphone
Material: ABS
Color: Black
Operating frequency band: 2.402-2.480GHz
Audio power amplifier: Power amplifier IC HT2144 QFN16
Headphone battery capacity: 150mAh
Wear mode: Neck hanging style
Charging time: 2 hours
Rated input: 5V= 110mAh
Waterproof grade;IPX56
Wireless range: 10M
Running time: About 7 hours
Standby time: 10 days

Note:
- There might be little error of size for manual measurement.
- The colors deviation might differ due to different monitor settings, please kindly understand.

Packing list

Package includes:
1 x Headphone
1 x Charger cable
1 x User Manual