Led Mini Wireless Bluetooth Speaker A9 Led Night Light Tf Usb Fm Musical Audio Features: Built-in 400mAh capacity lithium-ion battery, standby time up to 10hrs Support TF card, capacity up to 64G Fashion and graceful appearance make it become an ornament of your desk Accord with acoustic and aesthetics design principle Support volume control function, convenient to operate Built-in microphone for hands-free call, to keep you safety in driving. Model: A9 Design: Cool,Fun,Mini,Multifunctional,Portable,Stylish Compatible with: MP3,TF/Micro SD Card Supports: Bluetooth,Hands-free Calls,Loudspeaker,Microphone,TF Card Music Playing Functions: AUX Function,Songs Track Connection: Wireless Interface: 3.5mm Audio,Microphone,Mini USB,TF Card Slot,USB2.0 Audio Source: Bluetooth Enabled Devices,Electronic Products with 3.5mm Plug,TF/Micro SD Card Bluetooth version: V3.0 TF Card Extension: 64G to the Max.(Not Included) Transmission Distance: W/O obstacles 10m Speaker Impedance: 4 ohm Power Output: 3W Freq: 20Hz-20KHz S/N: 95dB FM Radio Frequency: 87.5-108MHz Power Source: USB Charging Voltage: 5V Charging time: 2.5 hours Lasting Time: 2 hour Battery Capacity: 400mAh Battery Type: Lithium-ion battery Battery Voltage: 3.7V Package includes: 2X A9 Mini Wireless Bluetooth Speaker 2 x USB Cable Zelic Deals Led Mini Wireless Bluetooth Speaker A9 Led Night Light Tf Usb Fm Musical Audio Built-in 400mAh capacity lithium-ion battery, standby time up to 10hrs Support TF card, capacity up to 64G Fashion and graceful appearance make it become an ornament of your desk Accord with acoustic and aesthetics design principle