Name: Wireless Bluetooth Karaoke Microphone Color:Rose Gold Material: Aluminium Alloy Weight: 360g Output Power: 5W(Speaker Output) Charging Voltage: DC 5V Charging Time: 3-5 hours Sing Time: Up to 5-8 hours Battery Capacity: 1800mAh Products Size: 24.4 x 9.2 x 8.4 cm Speaker Frequency: 100Hz-10KHz Transmission Distance: 10m(32.8ft) Power Supply: Build-in Li-ion battery Maximum sound pressure level: >115db 1KHz THD<1% Reverb Mode: Echo sound reverberation TF Card: Support TF card + USB + Aux playing CASH ON DELIEVERY