Feature:1. Adopt 4Ω3W double loudspeakers with 16 core, bringing shocking stereo heavy bass.2. 8W high power amplifier chip, high fidelity, low loss, and high efficiency with little heating.3. Universal holder for mobile phone and tablet, free your hands when watching movies or having video chat.4. Two playback modes, supporting microphone, multiple functions for meeting your needs.5. Built‑in 10000mah large capacity battery, supporting continuous playing for 30 hours, super long endurance time.Specification:Item Type: SpeakerCondition: 100% brand newColor: Black, Gold, Silver, Rose gold (optional)Material: Plastic + metalSpeaker Unit:40mmx 2 internal magnetic loudspeakers40x25mmx 2 ring Super-BassPeak Power: 4Ω 3WFrequency Response: 50Hz~20KHzBluetooth Version: 5.0+EDRCable: 3.5mmAUXUSB Specification: USB 2.0x2Output: 5 V/2.4 A (Maximum)Voice Call: Hands-freeBuilt-in Power Supply: 3.7V 10000mAh polymer lithium batteryInput: 5 V/2 A micro USBCharging Time: 5V/2A for about 6 hours Package List:1 x Speaker1 x User Manual1 x Data Cable1 x Audio Cable2 x Repair ToolsNote:Please note that the new type and old type of this product will be sent randomly, and make sure you will not mind before ordering.