Fineblue F-V3 Bluetooth 4.1 Wireless Stereo Bluetooth In-Ear Earphone Mini Headset Gold Tag-DJI Air Series Insert a memory card to

Insert a memory card to read/write SD or Micro SD card and USB device at the same time

Battery Capacity 200mAh

wireless frequency regulating radio

and the touch is warm

Fineblue F-V3 Bluetooth 4.1 Wireless Stereo Bluetooth In-Ear Earphone Mini Headset Gold Tag-DJI Air Series Insert a memory card toFeatures: 1. V4. 1 CSR Master 2. Support Bluetooth stereo music playback function (A2DP) 3. Can connect two mobile phones at the same time (one to two) 4. Display the battery on your iPhone 5. With noise reduction and echo suppression technology, the sound quality in any noisy environment is still excellent. 6. Long standby (about 7 days standby), up to 5 hours talking time 7. One button power on pairing, can remember to automatically connect 8. Voice