Wireless microSD AUX BT Headphones with A Built-in Hi-Fi Microphone

Description
Wireless headphones with a Hi-Fi microphone
Hi-Fi Stereo Sound: Dual 40mm large-aperture drivers and Bluetooth 4.1 technology ensure more stable transmission speed, lower latency and better audio output.

A properly designed ear cushion enables immersion in rich sound and a better sound experience. It simulates the human skin structure, provides lasting comfort and provides excellent durability. The stainless steel zipper and softly padded headband allow you to get the most comfortable play without restrictions.

Bluetooth 4.1 Jieli
The applied Bluetooth 4.1 technology with Jieli's solution reduces the power consumption of the headphones, ensures long-lasting use time, intelligent stability and quick connection.

Microphone
The headset has a built-in microphone so you can enjoy completely distortion-free calls.

Aux
The aux socket allows you to connect to devices without bluetooth technology and allows you to immerse yourself in your favorite sounds without using a battery or having to recharge your headphones.

Control
Control your music or answer and end phone calls directly from your headset using the built-in controls:
Volume control
Rewind songs
Switching tracks
Dialing the last number
Play / Pause
Answer / hang up calls

Ergonomic design
To ensure that the headphones fit everyone's head and ears perfectly, they are equipped with an adjustable headband and soft ear cushions. They are very light and do not burden the head. Foldable headband can save space in the suitcase.

Battery
Built-in high-performance 1000 mAh battery provides up to 25 hours of talk time, while freeing yourself from tangled cables in wireless mode.

Specification:
Bluetooth: 4.1 with Jieli's solution
Battery: 1000mAh polymer lithium
Power supply: DC 5V
Working voltage: 3.3V-4.2V
Bluetooth range: 10 meters
Talk time and listening to audio: about 25 hours
Standby time: about 300h
Charging time: 3.5-4 hours
Input: aux 3.5mm
16GB microSD card slot
Speaker: 40mm subwoofer
Speaker impedance: 32Ω ± 15% at 1KHZ
Speaker sensitivity: 105 ± 3dB at 1mw 1kHz with IEC318
Frequency: 20-20000 Hz
Microphone sensitivity: -42 ± 3dB at 1KHZ
Mic impedance: 2.2KΩ (max) at 1KHZ

Set contains:
Headphones
Aux cable
USB charging cable
Available colours: black, silver