Please identify the device model to place an order. Input: 100-240V, 50-60HZ. Output: 12V 1.25A 50/60HZ 15W. Total length:6.6ft.Output adapter fits Bluetooth speaker jack size: 4.0mm x 1.7mm Power adapter are made of high quality and materials, ensure efficient and stable transfer rate, and kept in low temperature to charge safely. Build in IC Smart Chip and Isolating transformer, Adopte thickened metallic pins and Anti-fall outer shell. Power cord has good bending resistance and ensures a long service life. Long enough from your device to the wall outlet, Portable power adapter provide convenience for charging on different occasion, for example travel, home, car, office, etc. POWER SPECIFICATION Input: 100-240V, 50-60HZ. Output: 12V 1.25A 50/60HZ 15W 15W Power adapter The battery is pure copper to ensure efficient and stable transfer rate, and kept in low temperature to charge safely. Built-in IC smart chip and isolation transformer, using thickened metal pins and anti-drop shell. High-strength wire, resistant to pulling and bending