SPECIFICATIONS

 

3.5mm Interface Standard: (US Standard-International Standard)

 

3.5mm Signal: Analog Signal

Active Noise-Cancellation: No

Audio latency: other

Brand Name: Lenovo

Cable Length: 120cm±1.2cm

Category: Earphones & Headphones

Certification: CE,FCC,RoHS

Charging Method: cable

Charging Time: 0

Choice: yes

Communication: Wired

Connectors: 3.5 MM

Control Button: Yes

Control Method: Push button

Department: Unisex-adult

Driver Diameter: 10

Feature 1: Ultra-low latency gaming

Feature 2: Ergonomic design

Feature 3: Lightweight and comfortable

Features: With microphone

Frequency Response Range: 20 - 20000

Function: For Internet Bar,for Video Game,for Flying,Common Headphone,for Hunting & Shooting,For Mobile Phone,for Powersports,HiFi Headphone,Sport,For Outdoor,For Office,For Study

Headphone Color: Black/Red/Black/Green/Purple

Headphone Material: ABS+TPE+Aluminum

High-concerned chemical: none

Impedance Range: up to 32 Ω

Interface Type: 3.5mm/Type-C

Is wireless: No

Line Length: 1.2

Material: ABS

Metered Sensitivity: -40dB +3dB

Microphone: Omnidirectional

Model: YF38

Number Of Drivers: 2

Package List: User Manual,3.5mm Jack Adapter

Product Name: Lenovo YF38 In-Ear Wired Earphones

Sensitivity: 91

Signal-to-Noise Ratio: 91±3dB

Sound Isolating: Yes

Speaker Unit: 10mm

Speaker maximum output power: about 10mW

Style: Wired in-ear headphones

Type-C Signal: Digital signal (with built-in digital chip)

Vocalism Principle: Dynamic

Volume Control: Yes

Waterproof: No

Wireless Type: Bluetooth

With Microphone: Yes

whether electrical: Yes

 

Thank you for shopping with Tone N Case!

We’re dedicated to providing you with fast and reliable delivery every time you order.

Processing Time

All orders are processed within 1–2 business days.
During this period, we carefully verify, package, and dispatch your items to ensure they reach you in perfect condition.

Delivery Time

Once shipped, orders are typically delivered within 10–15 business days, depending on your location and local courier services.

International Shipping

We proudly ship worldwide!
International orders may take slightly longer depending on your country’s customs process and postal services — typically 10–20 business days.
Please note that any customs fees, duties, or taxes applied by your country are the customer’s responsibility.

Shipping Confirmation & Tracking

You will receive a shipping confirmation email with your tracking number once your order has been shipped. You can use this number to monitor your shipment’s progress online.

Delays

While we always aim to deliver on time, unforeseen factors such as weather, customs delays, or courier disruptions may occasionally cause delays.
If your order is delayed, please don’t hesitate to contact our support team — we’ll assist you right away.

Contact Us

If you have any questions regarding your order or shipping, please contact our support team at:
📧 support@tonencase.com

Provided the conditions in our refund policy have been met, refunds will be processed using the original form of payment. You can return an item purchased online by posting it to us. Please contact customer service for return address. Please note that delivery costs will be excluded from the refund unless goods are returned in accordance with your statutory rights (e.g. they are faulty or not as ordered).

• The items with the original receipt are returned within 30 days of purchase.

• Items must be in the original condition as purchased with all labels/tickets attached.

Provided the conditions in our refund policy have been met, refunds will be processed using the original form of payment. You can return an item purchased online by posting it to us. Please contact customer service for return address. Please note that delivery costs will be excluded from the refund unless goods are returned in accordance with your statutory rights (e.g. they are faulty or not as ordered).