Shoumi Newest Wireless Headphones Bluetooth Earphones Large Headset Helmets with Mic Support TF-Card Mp3 Play display screen

TF / Micro SD card with the loaded MP3 music and listen to the song directly on the headset.
Designed with Bluetooth 5.0 chipset for lower power consumption and higher compatibility.
Built-in microphone: Supports hands-free calling and voice .
With the latest enhancements, your voice sounds clearer in a noisy environment.
40mm diaphragm speaker driver, deep sound quality stereo, enjoy wireless high quality music.
Soft leather ear pads and a retractable headband reduce the burden on your ears.Do not feel uncomfortable,when wearing for a long time.
Ergonomic design that simulates soft earmuffs based on human skin texture to ensure lasting comfort.

Model: AKZ Max600 wireless headset
Uses: wireless headphones, voice headsets.
Bluetooth version: V5.0.
Bluetooth mode support: A2DP 1.2, AVRCP 1.0, HSP, HSF 1.5.
Frequency: 2.402-2.480GHZ, 2.4G ISM band.
RF performance: receiver sensitivity: -84dBm; transmit power up to 4dBm.
Frequency response: 20 Hz-20 KHz.
Signal to noise ratio (SNR): 70Db.
Total harmonic distortion rate (THD) 0.1%.
Power indicator: Red and blue indicators flash alternately.
Charging port: USB charging interface.
Normal charging time: 1-2 hours.
Talk time: up to 10-20 hours.
Standby time: up to 15 days.
Working temperature: -20 ° C -55 ° C.
Other features: support status indicator, charging indicator display.
Color: Black,white

   1 * wireless earphone
   1 * USB charge cable
   1 * 3.5mm audio cable
   1 * User Manual 

     1.Because the packing size and other reasons, the shipping cost is not very accuracy, if you need other shipping ( DHL/UPS/FedEx/ARAMEX/TNT...)
          please contact us,we will give you best price, thank you
       2.Please allow 1-5mm error due to manual measurement, make sure you do not mind before you bid.
       3.Because each display or light will have a certain color difference, this is difficult for sellers to achieve no color difference, so please understand before
                  placing the order, the color difference is not within the scope of quality problems. thank you!