Grundig GBT Jam Bluetooth Speaker with Power Bank, Earth

Product details overview

• Charge your smartphone – thanks to the power bank function
• Bluetooth V5.0 with True Wireless Stereo (TWS) technology
• Up to 30 hours of battery life with built-in battery level indicator
• 3.5 W RMS total output power for impressive sound
Technical specifications
• Music streaming range up to 30 meters
• Built-in passive radiator for dynamic bass reproduction
• Waterproof casing (IPX7)
• Rechargeable lithium-polymer battery with 3.7 V and 2500 mAh