DESCRIPTION
Specifications:
Model Number: QT81;
BT Version: BT 5.0;
Transmitting Distance: 10m/33ft (no obstacle);
Drive Unit: 13mm;
Frequency Range: 20-20KHz;
Sensitivity: 98±3dB;
Impedance: 32Ω;
Charging Box Capacity: 3.7V 1200mAh;
Earphone Battery Capacity: 2 * 3.7V 40mAh;
Music Play Time: about 5 hours (depends on music volume);
Waterproof: IPX4;
Color: Black, White;
Earbud Size: approx. 4.1*1.7*1.6cm/1.61*0.67*0.63in;
Earbud Weight (Each): 4.0g/0.14oz;
Charging Case Size: approx. 8.3*4.8*3.0cm/3.26*1.89*1.18in;
Charging Case Weight: 70g/2.47oz;
Package Size: 14.0*11.2*3.8cm/5.51*4.41*1.49in;
Package Weight: 130g/4.58oz;
Package List:
1 * Pair of QT81 Earbuds;
1 * Charging Box;
1 * Charging Cable;
1 * User Manual