This portable and wireless speaker is specially designed for all kinds of outdoor activities with rain-proof, shockproof and design. Made of with premium chipset, it has more stable audio transmission, faster pairing speed, low power consumption and compability. Feature - Powerful sound- two strong drivers and passive radiator provide strong bass. - -in 1200mAH extra large capacity power bank let you charge phone outdoor. - Outdoor and indoor two modes exchangeable, for a full range listening experience. - and shockproof for ourdoor. - It is easy to carry when you doing some outdoor activities. - function. - Warm Tip: Dear buyer, Due to lighting effect,monitor’s brightness,manual measurement and etc, there could be some slight differences in the color and size between the photo and the actual item. sincerely hope that you can understand! Thank you! Specification - Color: Black - Material: Plastic - Size: 19.3x11x13cm - Version: 4.1 - Battery capacity: 1200mAh rechargeable battery - Loud speaker output: 3W - Playing time: - SNR: ≥75dB Package list: 1 x Outdoor Speaker