This vibrant, ultra-portable JBL Clip 4 Bluetooth Speaker is small in size but delivers surprisingly big sound. Simply press play and make the moment pop with improved sound quality & extended frequency range. Features a built-in rechargeable Li-ion battery with up to 10 hours of battery life, plus a redesigned carabiner, so you can easily hook it to your clothes, backpack, or belt loop. $49.95 Sale $39.95. Free Shipping. Buy here.