Specification:
BT: BT5.0.
Transmitting Distance: 10m/33ft.
BT Protocol: HFP, A2DP, HSP, AVCRP.
Frequency Range: 20-20000Hz.
Sensitivity: 98dB.
Impedance: 16Ω.
Waterproof: IPX5.
Charging Box Capacity: 3.7V 450mAh.
Earphone Battery Capacity: 2 * 3.7V 50mAh.
Music Play Time: about 4 hours (depends on music volume).
Charging Time: about 1.5 hours for earphones, 2 hours for charging box.
Color: Black.
Earphone Size: 25*30*26mm.
Charging Box Size: 62*40*27.2mm/2.44*1.57*1.07in.
Package Included:
2x Earphones (Left and Right Ear-buds).
1x Charging box.
1x User Manual.
1x Micro-USB Cable.