This multi-functional speaker allows to switch modes between mode, TF card mode, Line in mode and FM radio. Mini size makes it ideal for personal usage, indoor party or outdoor BBQ or picnic with friends and family.Features: [ 4.1]: This speaker supports device with A2DP function. It can be connected with devices within 10 meters.[Multi-functional Speaker]: Multi-functional speaker allows to switch modes between mode, FM mode, TF card mode, Line in mode. Multiple modes for music enjoyment. [High Fidelity Sound Quality]: Enjoy crisp and clear audio with impressive 360°Surround Sound powered by two 3W acoustic drivers. [TF Card Reader]: Supports insert TF card playing, up to 32G extended memory supported, intelligent voice prompt operation of the function status.[Hands-Free Call]: function supports hands-free call. Remote control for convenient experience.Specifications:Model: A2 Version: 4.1 Range: 10m / 30ftConnection Mode: + TF + AUX + FM + MICTF Card: Support max. 32GInput: DC 5VTHD: ＜0.5％SNR: ≥70dB Output: 3WFrequency Response: 150-20KHzMaterial: ABS; MetalColor: Black; Rose Gold; Gold; Silver (Optional) Supply: Built-in Lithium BatteryBattery Capacity: 3.7V 1000mAhCharge Interface: USBCharge time: About 2-3 hoursMusic playing time：about 10 hours(depending on music volume)Item Size: 6.5 * 4.7cm / 2.6 * 1.9inItem Weight: Approx. 135g / 4.8ozPackage Size: 7 * 6 * 6cm / 2.8 * 2.4 * 2.4inPackage Weight: Approx. 156g / 5.5ozPackage List:1 * Speaker1 * Cable a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a