Brand: havit / Haiweite Function: Card Call function Shell material: metal Play time: 6 hours Power supply: Built-in lithium battery Connection method: USB Bluetooth connection Card reader Whether to support APP: Yes Speaker unit: single speaker..

Brand: havit / Haiweite Function: Voice prompt Call function Shell material: metal Play time: 25 hours Power supply: Built-in lithium battery Connection method: USB Bluetooth connection Whether to support APP: No Speaker unit: single speaker..