Lenovo Analog in-Ear Headphone Gen II

Overview

The Lenovo 4XD1J77352 is an analog in-ear headphone designed to deliver clear and balanced stereo sound through its 9 mm drivers, covering a frequency range from 100 Hz to 20 kHz. It connects via a standard 3.5 mm plug, making it compatible with a wide range of devices such as laptops, tablets, and smartphones. With 110 dB sensitivity and 32 Ohm impedance, it works efficiently with low-power mobile electronics, ensuring audio stays loud and clear even at lower volume levels.

This headset includes an in-line microphone that captures natural voice tones between 100 Hz and 10 kHz, ideal for conference calls, gaming chats, or casual conversations. The single-button control allows easy management of playback and calls without needing to access your device. Designed for comfort, it comes with three sizes of silicone ear tips to provide a secure fit and help reduce ambient noise during extended use.

Key features

• Standard 3.5 mm analog plug ensures compatibility with most audio devices without the need for adapters or pairing.
• 9 mm dynamic drivers deliver balanced stereo sound across a wide frequency range for clear music and voice playback.
• High sensitivity and moderate impedance allow efficient use with mobile devices, preserving battery life while maintaining volume.
• In-line microphone supports clear voice capture for calls and communication in various environments.
• Single-button control simplifies managing music playback and answering calls without interrupting your activity.
• Three silicone ear tip sizes provide a comfortable and secure fit, helping to block external noise for better listening focus.
• 1.2 meter cable length offers enough freedom of movement whether you are at a desk, commuting, or walking.
• Durable design performs reliably in temperature ranges from -10°C to 50°C, suitable for diverse climates and daily use.

Key specs

• Driver size: 9 mm dynamic
• Frequency response (headphones): 100 Hz to 20 kHz
• Frequency response (microphone): 100 Hz to 10 kHz
• Sensitivity: 110 dB
• Impedance: 32 Ohm
• Connector type: 3.5 mm analog plug
• Cable length: 1.2 meters
• Operating temperature range: -10°C to 50°C

Connectivity and compatibility

This headphone uses a standard 3.5 mm analog plug, making it compatible with a broad range of devices including laptops, tablets, smartphones, and other audio players that feature a headphone jack. Its plug-and-play design requires no additional drivers or pairing, which is convenient for users who want straightforward, reliable audio without setup hassles.

Comfort and usability

Lenovo includes three sizes of silicone ear tips to ensure a secure and comfortable fit for different ear shapes. This helps reduce outside noise and improves sound isolation, making it easier to focus on your audio whether you are in a busy office, on a flight, or commuting. The in-line microphone and single-button control enhance usability by allowing hands-free calls and easy music control, which is especially useful during multitasking or travel.

Who this is for

This headphone is well suited for students, professionals, and travelers who prefer a wired audio solution that is simple, reliable, and compatible with a wide range of devices. It fits well in environments where clear voice communication and balanced sound quality are important, such as remote work calls, online classes, or casual listening on the go. Its durable design and comfortable fit make it a practical choice for daily use across different settings and climates.