The product is constructed out of Tritan & PP / ABS / Silicone. The speaker supports playback from tablets, smartphones, and most other audio devices that are Bluetooth compatible. Made of Stainless steel & PP / ABS / Silicone Features: - Adjustable, padded shoulder straps - Bottle: Stainless steel & PP - Speaker: ABS - Bluetooth V 4.1 - 10m visible distance supports playback from most Bluetooth compatible audio devices - Internal, lithium polymer battery recharges via USB cable (included) - Presentation box included - 0.5L Dimensions: 26.5 (h) Band: 31.5 (w) x 14 (d) x 56 (h) What's in the box 1 x Earphone 1 x Cable 1 x Case