Can this use an SD card and how many GB?
Yes, it supports an SD card up to 32G.
Do I have to pair my device every time I want to use it?
The speaker will reconnect with the latest paired device automatically if there is no other signal interference.
What kind of charging port does this have?
Tribit AquaEase Shower Speaker has a USB-C charging port.
SPECS
Battery
Capacity: 3.7v, 2200mAh
Charging time : 3 hours @5V/1A
Playtime: Up to 18 hours (varies by volume level and music files)
General
Package-contents : 1 x Tribit Bluetooth Speaker
1 x USB-C Cable
1 x User Manual
Frequencey
Frequencey Response: 100-20KHz
Frequencey Band: 2402-2480MHz
Output power
5W
Connectivity
Bluetooth® standard: V5.3
Wireless range: Up to 100 feet
Audio Codecs
SBC