F3 Bluetooth 4.2 Hanging Neck Design Bluetooth Headset, Support Music Play & Switching & Volume Control & Answer(Silver) Tag-Hard Disk for iPhone Loading Container 20GP: 349 cartons

Loading Container 20GP: 349 cartons * 100 pcs = 34900 pcs

Carton Size 47cm * 36cm * 34cm / 18

display fine

Cable Length about 28cm

wherever security is needed

F3 Bluetooth 4.2 Hanging Neck Design Bluetooth Headset, Support Music Play & Switching & Volume Control & Answer(Silver) Tag-Hard Disk for iPhone Loading Container 20GP: 349 cartons1. Bluetooth Version: Bluetooth V4. 2 2. Transmission distance: 10 meters 3. Use time: 6 8 hours 4. Standby time: 4 6 minutes automatic shutdown 5. Battery: 70 mAh rechargeable lithium battery 6. Functions: adjusting volume, switching songs, answering calls,call rejection, hangup, bluetooth playback, telephone replay,broadcast, bluetooth return, voice tips, power display, inform the caller number, intelligent shutdown, plain English broadcast