Fineblue F920 CSR4.1 Retractable Cable Caller Vibration Reminder Anti-theft Bluetooth Headset Type-Batteries Key technology: mechanical short shaft

Key technology: mechanical short shaft

large radius semicircle align right place to reduce the pressure

more distinct color levels

total 78W (66W+12W)

The body is designed according to ergonomics

Fineblue F920 CSR4.1 Retractable Cable Caller Vibration Reminder Anti-theft Bluetooth Headset Type-Batteries Key technology: mechanical short shaftFeatures: 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