type of plug:3.5mm mini plug
2.type of cord:USB for battery charging,audio cable
3.material:polyurethane(sponge) ABS
4.power supply:built-in lithium ion battery,
dimension ¡é20mm/shielded,speaker/built-in amplifier active speaker/8ohms
5.function:0.7W(8ohms1.0KHz)
6.operative time:approx 4hours(Max volume)
7.charging time:approx 2hours
8.MAX permissible input:100mA / 4.2V
9.W55¡ÁH55¡ÁD55(body size), ¡é20mm(speaker size)
