Multifunctional Backpack with Bluetooth Speaker, Power Bank, LED Lights, and Long Battery Life for Outdoor Adventures and Mountaineering.

Experience the ultimate in outdoor gear with this multifunctional backpack, designed for adventure enthusiasts and mountaineers. This versatile backpack comes equipped with a built-in Bluetooth speaker featuring Bluetooth version 5.3 for seamless connectivity, allowing you to enjoy your favorite tunes on the go. It also includes a power bank to keep your devices charged during extended outings, and LED lights to ensure visibility and safety in low-light conditions. With its long-lasting battery life, your adventures can be more immersive and convenient. Although the backpack is not waterproof, it is crafted to withstand various outdoor conditions, making it an essential companion for your next excursion. Connection: Bluetooth connection Frequency Range: 40Hz-20KHz Signal-to-Noise Ratio: ≥85dB Number of speakers: 1 Effective distance: 10 m Box material: ABS+Nylon Power supply mode: lithium battery Bluetooth version: 5.3 Built-in battery capacity: 2000mAh-4000mAh (inclusive) Rated power: 10 Product Weight: 400 Rated voltage: 5 Additional features: Drop-resistant, Voice prompts Is there a built-in battery?: Built-in battery Manufacture country: China Instructions included: No

isWaterproof: no bluetoothVersion: 5.3