Includes: 1 Strap | 2 Batteries | 1 Dock | 2 Cables | 2 Fastener Kits | 1 Cloth | 24/7 Support. 2 top/back knobs tweak fit, evenly distributing weight (no sore cheeks/forehead). 4 adjustable positions easy fit kids/adults (22.1"-27.5" heads) for snug, no pressure use.
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