LUODA 1523s Bluetooth version: 4.1 standby time: 130-140H Battery capacity: 90mAh Transmission distance: 10 m charging Interface: 4-55H charging Voltage: DC 5V Waterproof Grade: can do Grade 5 Waterproof to telegram to answer phone calls, The last number of music play is redial, one Tins, two Chinese and English are switched back to each other automatically
