Product Name: Waterproof Bluetooth Speaker Model NO.: JS356 Built-in Battery: Built-in Battery Sound Channel: Single Channel Adjusting Method: Keystoke Usage: Mobile Phone Speaker Material: Plastic Amplification Type: Passive Transport Package: Color Box Specification: 85*55mm Origin: China HS Code: 85182100 Product Description Waterproof Bluetooth speaker1, Bluetooth version: 3.0+EDR2, Support handsfree: pick up / hang up calls.3, Suitable for mobile phones/ iPhones / iPods / Tablets.4, With suction cup, can absorb on the wall and bathroom5, Waterproof level: IPX46, Working range: up to 10m7, Frequency response is 150Hz - 20KHz.8, Output: 3W9, Impedance: 4 Ω10,Built-in 500mAh Lithium Battery11,Power supply: DC 5V12,Material: ABS (Rubber finishing) + Silicone13,Size: 85 * 85 * 55mm