3W Line in Speaker with 3.5mm Interface Plug and Play Mobile Phone Speaker Volume Amplifier for Smartphone Tablet Laptop

Feature: 1. [Wide Compatibility] This line in speaker features a 3.5mm sound jack, making it compatible with most smartphones, tablets, laptops, MP3 players, and other media devices with a 3.5mm port for plug and play sound (ensure your device supports this connection). 2. [Enhanced Sound Output] The 3W mobile phone speaker amplifies sound from your devices with 5x volume boost, delivering clearer and louder sound while maintaining sound clarity with a 4 ohm impedance and >90dB signal to noise ratio. 3. [Compact and Portable] Designed for on the go use, this loudspeaker has a lightweight and pocket sized build, easily fitting into bags or pockets for music anytime, anywhere. 4. [Simple Operation] The portable speaker requires no apps or setup, just plug it into your device s 3.5mm jack with the built in battery (300mAh) for immediate use via its single key control. 5. [Immersive Sound Experience] This 3W speaker enhances movies, music, and videos by boosting sound output, creating a more engaging listening experience without distortion. Specification: Item Type: Line in Speaker Material: ABS Key: 1 (Long press for power on off) Output Power: 3W Built in Polymer Battery: 300mAh x1 (with built in battery) . Package List: 1 x Amplifier 1 x USB Cable Note: