Foldable Sport MP3 Wireless Headset With FM Radio 1.Foldable Sport MP3 Headset 2.TF Card Inserted 3.CE ROHS 4.FM Radio

1. Sound proof;2. Support usb file transmit;3. Micro SD card up to 32GB;                                                                         5. Bluetooth stereo power: 28mA.6.3D horn combination, built-in two bass horn.7.Transmit power: level 1,2, 3; support amplifier without external power.8.Adapt low noise and cancellation technology;9.Support phone voice dialing function.compatibility with bluetooth headset,dial and answer phone;10.Talk time: about 30 hrs; music play time: about 20 hours;                                                      11:Auto Switch between calls and music;   12:Hidden omni-directional Microphone;  13.Accessories: charger and instruction;   14.Standby time: about 250 hours;15.Built-in rechargeable lithium battery.