NIA S4000 Bluetooth Headset Wireless Over-Ear Headphones with FM Radio, TF Card, 40mm HD Drivers, 6–8H Playtime, Microphone

The NIA S4000 Wireless Bluetooth Headset combines convenience, comfort, and quality sound in a stylish over-ear design. Equipped with 40mm HD driver units, it delivers rich audio with balanced bass and clear vocals for music, videos, and calls. The headset supports wireless Bluetooth connectivity as well as a wired 3.5mm audio connection, giving you flexibility across different devices.

With support for TF card playback and FM radio, you can enjoy entertainment even without a connected smartphone. The built-in 250mAh battery provides up to 6–8 hours of continuous use and up to 200 hours of standby time. Fast charging completes in approximately 2 hours, while the 10-meter wireless range

Specifications:

• Charging Interface Type: Micro USB
• Connectivity Technology: Bluetooth 5.0, Wired 3.5mm
• Device Interface: Bluetooth, 3.5mm Audio Jack
• Earphone Features: TF Card Support, FM Radio, App Control
• Headphone Driver Technology: 40mm HD Dynamic Drivers
• Headphone Style: Over-Ear
• Ingress Protection (IP) Rating: Not Rated
• Maximum Bit Depth: Not Specified
• Microphone Type: Built-in Microphone
• Noise Cancellation Technology: Passive Noise Isolation
• Power Source: Rechargeable 250mAh Battery