Appears to be a discontinued item from the manufacturer. It's now USD $69.99 + $7.38 postage, or around AUD $107 delivered with AmazonGlobal Shipping. According to Camel x3 it was once very short-lived $58.99 but the current price is the cheapest otherwise. It's now quite a bit cheaper than X2.
Jaybird Bluebuds X Bluetooth Headphones
- Remarkable sound
- Secure fit for sports and fitness
- 8 hours of play time
- Designed for music and phone calls
- Protects against sweat - Lifetime Warranty
Great headphones that still sell second hand for almost this price. I've been running and gyming with these for a while, recommended.