Main Features: �� Support FM radio local broadcast playback�� 3.5mm audio port compatible for most cell phones and table PCs�� Bluetooth V4.0 + EDR support， enjoy wireless， to make life more exciting�� High-power amplifier chip， strong magnetic， full frequency loudspeaker， sound effect is much more loud and clear�� Built in microphone adopts noise canceling technology to obtain the high quality voice input�� Stereo player， Bluetooth connects your phone， you will enjoy a wonderful song everywhere and also answer the phone�� Support Micro SD / TF card audio playing up to 32GB (NOT included) Brand: Zealot Model: B560 Wearing type : Headband Function: MP3 player，Microphone，FM function，Noise Cancelling，Answering Phone，Song Switching，Voice control，Bluetooth 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: More 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 B560 Wireless Stereo Bluetooth V4.0 Headset Earphone， 1 x USB Cable， 1 x 3.5mm Audio Cable