If you want a durable Bluetooth speaker with superior sound quality, many outdoor models often exceed $100 — and they just play music. Enter Kuma’s Trailmate Speaker Lantern ($90, kumaoutdoorgear.com), a 15-watt Bluetooth speaker built into a lantern that produces up to 280 lumens of light. On a single charge, it can play music for as long as 10 hours (a few hours less if the volume is played at full blast). It’s simple to connect your smartphone to it, and it boasts a connection range ...