Fineblue F920 CSR4.1 Retractable Cable Caller Vibration Reminder Anti-theft Bluetooth Headset Type-Batteries Need not extra power supply

Need not extra power supply

large diameter suction cup

It has a small hole

One Package Size 15cm * 8cm * 6cm / 5

large radius semicircle align right place to reduce the pressure

Fineblue F920 CSR4.1 Retractable Cable Caller Vibration Reminder Anti-theft Bluetooth Headset Type-Batteries Need not extra power supplyFeatures: 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