Bluetooth  chipset:JL 6973D4 5.3

Speaker chipset: JL6965E4 5.3

Earphone battery: 30mAh

Charging Case Battery: 1200mAh

Headphone speaker size 13mm

Speaker speaker: 50mm 4 ohm 5W

Signal-to-noise ratio 85db (headphones)

Sensitivity 95±5db (headphones)

Headphone playback time 4-5h

Speaker charging time: 2-3h

Headphone material ABS

Speaker material: ABS + cloth + silicone