Built-in Mic Wireless Bluetooth 2.0 Speaker

Design: Portable, Multifunctional, Mini, Stylish, Fun Supports: Bluetooth, Microphone, TF Card Music Playing, Volume Control, Hands-free Calls, FM, Loudspeaker Functions: Songs Track, AUX Function, Stereo Compatible With: Mobile Phone, TF/Micro SD Card, Tablet PC, Laptop, iPhone, PC Connection: Wireless Interface: TF Card Slot, Micro USB, Power Charge Port, USB2.0 Audio Source: TF/Micro SD Card, Bluetooth Enabled Devices, Electronic Products with USB port, U-disk Material: Plastic, Metal Color: Red, Black, Blue Bluetooth Version: V2.0 Audio File Format: MP3 Transmission Distance: W/O obstacles 10m Power Output: 3W Speaker Battery Capacity: 1200mAh Total Power: 3W Freq: 20Hz-18KHz Impedance: 4Ω S/N: No less than 95dB Power Source: Battery, USB Charging Voltage: DC5V Charging Time: 1 - 2 hours Lasting Time: 3 - 4 hours Battery Capacity: 1200mAh Package weight: 0.273 kg Product Size (L x W x H): 12.0 x 5.3 x 3.9 cm / 4.72 x 2.08 x 1.53 inches Package Size (L x W x H): 14.5 x 6.0 x 4.5 cm