2 in 1 Portable Outdoor Bluetooth Speakers Power Bank Built-in 4000mAh Battery Charger
Emergency Power Supply Design – With max up to 4000mAh power supply, the bluetooth speaker keeps you enjoying outdoor activity all day without any worry for battery.
Bluetooth speaker, Power Bank Charger (4000mah!), Micro SD card, MP3 Player, and AUX “Line-In” for use with older non-Bluetooth audio sources.
Support hand free call via built-in microphone, Use it as Emergency Power Bank to charge your mobile via internal rechargeable battery.
