LectroFan Micro2 Wireless

Pros

• +Battery-powered — the only portable white noise machine in this lineup
• +Compact enough for any bag, pocket, or hot-desk setup
• +No-loop guarantee on all 11 sounds
• +USB-C rechargeable — works with any modern charging setup
• +Amazon bestseller in the portable white noise category

Cons

• −11 sounds — fewer options than the EVO or Sound+Sleep
• −Smaller driver means less acoustic projection than desk-size units
• −No adaptive algorithm — static volume only
• −Battery life limits extended desk sessions without a USB-C cable nearby