Bluetooth function: Can connect to most bluetooth devices so you can have your favourite tunes or radio wherever you are. Microphone: Includes a mic so you can talk on your calls from your mobile. Portable speaker: Get a portable Bluetooth speaker. Playtime: Has 3-4 hours of play time on one charge. Four colours: Choose from black, camo, blue or red. Construction: With a splashproof exterior and silicone bottom this speaker is perfect for days out and entertaining friends and family. | Outdoor Portable Bluetooth Speaker - Black | Wowcher