About Product:Custom processing: it is models: BT710 weight: 100 (g) storage capacity: no memory FM radio function: no playing time: 18 PC interface type: AUX size: no display power supply voltage: 2.80 V to 2.80 V (V) screen color: no screen power supply mode: with battery car MP3 audio source: automotive integrated MP3 player for gift-giving occasions: birthday, memorial, advertising promotions, business gifts, anniversary celebrations, festivals, employee benefits main sales regions: southeast Asia whether cross-border supply of goods: