This is a used item in excellent condition, having been used only a few times after purchase. Since it has been used so few times, I believe there is little battery degradation. The accessories are all that are shown in the photos. GoPro Hero11 Black Mini Brand: GoPro HERO (GoPro) Video Recording Pixels: HD (1280 x 720) 4K UHD (3840 x 2160) Image Stabilization: Electronic Shooting Functions: Time-lapse, Night shooting, Still image Supported Frame Rate (1080p): 240.0 fps Network: Wi-Fi, Bluetooth Environmental Resistance: Shockproof Waterproof Performance (m): 10.0 m Total Body Weight (g): 133.0 g Color: Black Supported Media: microSD card GoPro Model Name: HERO11 mini