Bose QC25 headphones have acoustic noise cancellation: $140 (Refurb, Orig. $300), more

Update 4/24: BuyDig via eBay Daily Deals offers the Klipsch R6 Bluetooth Earbuds for $49.99 shipped (Reg. $70). Rated 3.8/5 stars.

Bose offers its QuietComfort 25 noise canceling headphones for $139.95 shipped in certified refurbished condition. Originally $300, these headphones sell for around $230 these days at retailers like Amazon. If you’re wanting to block out the sound around you to focus, these are a great option. Rated 4.2/5 stars from thousands of Amazon shoppers. A 1-year warranty is included with purchase.

If you’d rather not spend all that cash, Best Buy offers the Sony EX Series In-Ear Headphones (EX155AP) for $19.99 shipped. Normally $30, this is a great price for in-ear headphones that offer passive noise isolation to help block out some of your surroundings. Rated 4.4/5 stars.

Bose QuietComfort 25 features:

• Significant Noise Reduction For Travel
• Headphones:19.1 cm H x 15.2 cm W x 2.3 cm D (195.6 g)
• Connectivity Technology: Wired
• Deep, Powerful Sound For The Music You Love
• Inline Mic/remote For Music And Calls. Bose® Active EQ and TriPort® technology delivers true-to-life sound
• Designed specifically for use with select iPod, iPhone and iPad models
• These headphones are compatible with most Android, Windows and BlackBerry smartphones

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