K9 Anti-Ultraviolet Bluetooth Speaker 14 Inch HD Mobile Phone Screen Amplifier Holder Emergency Power Supply Tag-DJI Spark Series Four playback modes: TF card

Four playback modes: TF card playback/Bluetooth playback/U disk playback/3

SIM card tray + SIM card tray + Micro SD Card Tray for Huawei Y9 (2018)

Check the connecting cable

and can output USB-A charging at the same time (support 5V1A output)

K9 Anti-Ultraviolet Bluetooth Speaker 14 Inch HD Mobile Phone Screen Amplifier Holder Emergency Power Supply Tag-DJI Spark Series Four playback modes: TF card1. Anti ultraviolet for Eye : Mobile phone screen magnifier adopts a new generation of high definition blue ray lens, high definition, much clearer than lenses, can magnify 3 4 times to avoid visual fatigue. Make the viewing photo realistic, full of three dimensional effect, and can effectively reduce radiation. 2. 4 in 1 HD Phone Screen Amplifier: 14 inch HD 3D screen amplifier + Bluetooth speaker + mini emergency power supply + adjustable phone