NIA S4000 Bluetooth Headphones – Wireless & Wired Stereo Headset

Enjoy immersive sound and versatile connectivity with the NIA S4000 Bluetooth Headset, designed for music lovers, gamers, travelers, and everyday users who want premium audio performance at an affordable price. Featuring wireless Bluetooth connectivity, wired AUX support, TF card playback, FM radio, and HD stereo sound, these over-ear headphones provide multiple ways to enjoy your favorite entertainment.

Built with powerful 40mm HD driver units and a comfortable ergonomic design, the NIA S4000 delivers deep bass, crystal-clear audio, and reliable performance for music streaming, gaming, online classes, calls, and multimedia entertainment.

Wireless & Wired Audio Connectivity

The NIA S4000 supports both wireless and wired listening modes, giving users maximum flexibility and convenience.

Features include:

• Bluetooth wireless connectivity
• 3.5mm AUX wired connection
• TF card music playback
• Built-in FM radio support
• APP control functionality

Switch seamlessly between wireless and wired modes for uninterrupted entertainment anywhere.

Powerful HD Stereo Sound

Equipped with premium 40mm HD driver units, the headset delivers:

• Deep bass audio
• Clear vocals and balanced mids
• Crisp stereo sound quality
• Enhanced music and gaming performance

The wide 20Hz–20kHz frequency response ensures detailed and immersive sound for every type of audio content.

Long Battery Life & Fast Charging

The built-in 250mAh rechargeable battery provides:

• Up to 6–8 hours playback time
• Up to 200 hours standby time
• Approximately 2 hours charging time

Perfect for daily use, commuting, travel, office work, and gaming sessions.

Comfortable Over-Ear Design

Designed for all-day comfort, the NIA S4000 features:

• Soft over-ear ear cushions
• Lightweight ergonomic structure
• Adjustable headband
• Stylish modern headphone design

The comfortable fit helps reduce ear fatigue during extended listening sessions.

Stable Bluetooth Connectivity

The Bluetooth wireless technology offers:

• Stable audio connection
• Fast pairing with devices
• Up to 10-meter wireless range
• Smooth streaming and calling experience

Compatible with:

• Android smartphones
• iPhone & iPad
• Tablets & laptops
• PCs and multimedia devices

Key Features

• Wireless Bluetooth Headphones
• Wired AUX Audio Support
• TF Card Music Playback
• FM Radio Functionality
• 40mm HD Driver Units
• Deep Bass Stereo Sound
• APP Control Support
• Long Battery Performance
• Comfortable Over-Ear Design
• Gaming & Music Headset

Package Includes

• NIA S4000 Bluetooth Headset ×1
• Charging Cable ×1
• User Manual ×1

Upgrade your entertainment experience with the NIA S4000 Bluetooth Headphones — combining wireless freedom, deep bass sound, TF card playback, FM radio, and premium comfort in one versatile audio headset.