Today in iLounge Deals, you can pick up the G-TUBE Adventure Ready Bluetooth Speaker for only $31.99 — that’s 20% off the regular price. This ultra portable and highly durable Bluetooth speaker is designed for the true adventurer — water resistant and encased in a rugged, tough housing so you won’t have to worry about using it while out and about. It can withstand water splashing from any angle, and features a steel grill with protector…