## Best audio gifts under $100 ## Bose SoundLink Micro (2nd Gen) Bose’s most compact Bluetooth speaker, the SoundLink Micro, was finally upgraded last year after eight years. Slightly larger than the original, this second-gen model offers Bluetooth 5.4, USB-C charging instead of the old micro USB, improved battery life and sound quality, plus a new integrated Velcro strap for attaching it to a backpack strap, bike handlebar or just about anything else. It sounds remarkably decent for its tiny size, delivering more bass than other pocketable speakers. It’s a fully waterproof Bluetooth speaker…