Main Features:
Support FM radio local broadcast playback
3.5mm audio port compatible for almost all models cell phone and table PC
Bluetooth V4.0 support， enjoy wireless， to make life more exciting
Built in microphone adopts noise canceling technology to obtain the high quality voice input
Stereo player， Bluetooth connect your phone， you will enjoy a wonderful song everywhere and also answer the phone
Micro SD / TF card slot included， you can play music on your micro SD card easily. Use TF card， listening to the music and audio you want， support micro SD / TF card Up to 32GB ( Micro SD / TF card is not included )
High-power amplifier chip and advanced circuit design. Using strong magnetic， full frequency loudspeaker， sound effect is much more loud and clear
It can also use connect line to be used as a normal headset
With a display screen， you can switch Music / FM Radio / Bluetooth mode clearly

Brand: Zealot
Model: B570
Wearing type : Headband
Function: MP3 player，Microphone，FM function，Noise Cancelling，Answering Phone，Song Switching，Voice control，Bluetooth
Headset type: Dynamic
Connectivity : Wired and Wireless
Connecting interface : Micro USB
Application: Mobile phone，Computer
Plug Type: 3.5mm
Cable Length (m): 1.5 m
Driver unit: 40mm
Sound channel: Two-channel (stereo)
Frequency response: 20~22000Hz
Impedance: 32ohms
Sensitivity: Less than 85dB
Talk time: 8 hours
Music Time: 6-8 hours
Charging time: 1-2 hours
FM radio: Yes
FM frequency range: 87~108MHz
Bluetooth: Yes
Bluetooth version: V4.0
Bluetooth distance: W/O obstacles 10m
External memory: TF card，Micro SD Card
Max. of External memory: 32GB
Package weight: 0.374 kg
Package size (L x W x H): 14.500 x 9.000 x 17.000 cm / 5.709 x 3.543 x 6.693 inches

Package Contents:
1 x Zealot B570 Wireless Stereo Bluetooth V4.0 Headset Earphone，
1 x USB Cable，
1 x 3.5mm Audio Cable，
1 x Bilingual User Manual in English and Chinese