Connection mode: Bluetooth connection Interface type: USB Battery capacity: 1200 Frequency response range: 100HZ-20khz Output power: 5W SNR: ___75dB Power supply: Built-in lithium battery Extended storage: 32GB Bluetooth protocol: 4.1 Box material: silicone Appearance size: 15.9*4.6* 7.3mm<img src="https://cc-west-usa.oss-accelerate.aliyuncs.com/aec535fa-feda-4701-979f-c7fddf88f9e9.jpg" style="font-size: 14px; max-width: 100%;"><img src="https://cc-west-usa.oss-accelerate.aliyuncs.com/e8baf0b5-a5f4-4eaf-b6af-6a794c482449.jpg" style="font-size: 14px; max-width: 100%;"><img src="https://cc-west-usa.oss-accelerate.aliyuncs.com/47af9ba8-509d-4864-8f91-eab900bf42dc.jpg" style="font-size: 14px; max-width: 100%;"><img src="https://cc-west-usa.oss-accelerate.aliyuncs.com/5c299d50-8270-4db5-87bb-fbcc4f3b0896.jpg" style="font-size: 14px; max-width: 100%;"><img src="https://cc-west-usa.oss-accelerate.aliyuncs.com/62b66c3c-bc73-4eb4-b8a0-fe4575e8921b.jpg" style="font-size: 14px; max-width: 100%;">

Mini portable Bluetooth speaker