Wireless Bluetooth earbuds. Tune in or tune out the sounds around you with Ambient Sound Mode. It's perfect for any outdoor activity, such as biking or jogging when you want to be aware of what's going on around you. Firefly is IPX5 waterproof. Now, you can get wet, but your earphones don’t have to. We have designed the best ear tips to perfectly fit your ears without falling, even during the most rigorous activities. Experience the finest sound quality with Firefly’s innovative graphene-enhanced speakers that drive pristine highs and deep base. Stay powered for up to 16 hours with the included charging case. With just a 10 minute charge, enjoy up to 2 hours of playtime or 4 hours of premium music with only a 30-minute charge. With a built-in microphone and handy button functions, you can conveniently take, make, redial calls, and pause / play your music with ease. Touch to activate Google Assistant and Siri, enable ambient sound mode, control music, answer / end phone calls. Working distance: up to 10 m. Bluetooth profile: handsfree, A2DP/AVRCP. Enhanced comfort fit with sports in-ear hooks. A variety of silicon eartips (6 pairs) in different shapes and sizes are included for 100% secure fit. Up to 4 hours music playback time (varies by volume level and audio content). Up to 4 hours talk time. Up to 100 hours standby time. Charging case with USB type-C interface and built-in battery capacity for storage and charge, provides 4 additional charges for 2 earbuds. Dimension of each earbud: 24,2 x 17,1 x 26,1 mm. Weight of two earbuds: 9,8 g. Dimension: charging case: 106 x 41 x 35 mm. Weight: charging case: 82 g. Colour: Black