Feature: 1.The use of DSP sound field processing makes it support sound change to meet your entertainment needs. The microphone pickup is newly upgraded, and the voice is loud and not distorted. 2.The reason why it offers you highly clear sound quality and stereo surround to ensure a more pleasant music experience is that it has built-in magnetic dual speakers with diaphragms. 3.It is made of high-quality ABS material, which is lightweight and durable. 4.Gold-plated larger area. Good looking. Special and nice appearance design. 5.It is suitable for home, KTV, singing, etc. And it supports dual microphone interconnection, which can connect to the same mobile phone and sing the same song to achieve duet. Specification 1.Material: ABS 2.Bluetoothc-compatible: 5.0 3.Effective Distance: 10 Meters 4.Battery Capacity: 1800mAh (Included) 5.Battery life: 5H 6.Charging time: 3H 7.Frequency Response Range: 100HZ-20000HZ 8.Speaker power: 4 5W 9.Power Supply Voltage: DC 5V 10.Endurance: 6 Hours 11.Product size: 40 x 64 x 214mm 12.Packing size: 82*82*225MM 13.Weight: 410 (approx.) Packing list: Microphone x 1 Charging Cable x 1 Instructions x 1