HP-3 Multifunction Neck BT Headset
2.Battery for earphone:230mAh
5.Nosie reduction:CVC 6.0
1.TF card can be inserted, with U disk storage function, MP3 player function
2.The headset itself comes with USB and Micro USB ports.
3.It can be used as a data cable (charging cable), and can be self-charged through USB
4.With a buzzer, it can realize the function of anti-losing reminder
5.Self-portrait, redial of the last number, power on indicator function