2 PCS Car Mobile Phone Bracket Rearview Mirror Navigation Bracket Driving Recorder Fixed Clipper Post-Lens Bracket(White) Type-AirPods Protective Case the machine will ring three

the machine will ring three times"Be

you can adjust it by click the volume key on the side of receiver

Network Standard : 802

4G (about 73

or put on a tripod

2 PCS Car Mobile Phone Bracket Rearview Mirror Navigation Bracket Driving Recorder Fixed Clipper Post-Lens Bracket(White) Type-AirPods Protective Case the machine will ring three1. Material: plastic, metal 2. Installation position: rear view mirror cylindrical support frame, seat 3. Applicable mobile phone size: 4. 7 6. 1 inches 4. Features: retractable length, easy to use, fixed with screws, easy to install, stable and not easy to drop 5. Length: retractable to about 20cm 6. Weight: about 100g piece 7. Packing size: about 12. 5x6. 5x5cm