B39 Bluetooth Wireless Over-Ear Headphones

Explanation

Colorful Led Lights: Seven Color Transform Cool Breathing Light To Help You Be More Attractive.
The headphones have a variety of options for listening. With a built-in TF card slot, you can use the TF/Micro SD card with loaded MP3 music and listen to the song directly on the headphones.
Designed With Bluetooth 5.0 CSR Chipset For Lower Power Consumption And Higher Compatibility.
Compatible With All Phones, Tablets, Laptops, Any Bluetooth Enabled Device Or Device With 3.5mm Audio Jack.
Built-in Microphone: Supports Hands-free Calling And Voice Report Caller ID. With the Latest Improvement, Your Voice Comes Clearer in a Noisy Environment.

Specification:
Name: B39.
Applications: Wireless Headphones, Audio Headphones.
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: 20hz-20Khz.
Signal to Noise Ratio (Snr): 70db.
Total Harmonic Distortion Ratio (Thd) 0.1%.
Power Indicator: Red And Blue Indicators Flash Alternately.
Headphone Charging: Rechargeable 400mah Lithium Battery.
Charging Port: Mini 5 Pin USB Charging Interface.
Typical Charging Time: 2.5 Hours.
Talk Time: Up to 10 Hours.
Waiting Time: Up to 20 Days.
Operating Temperature: -20°C -55°C.
Other Features: Support Status Indicator, Charging Indicator Indicator.
Color: Black Red, Red Black, White, Black

Package Included:
1 X Bluetooth Headset.
1 X Charging Cable.
1x 3.5mm Audio Cable.
1 X Chinese And English User Manual.