BT Version: 5.1
Transmitting Distance: up to 10m (no obstacle)
Frequency Range: 20-20KHz
Mic Sensitivity: 42dB
Impedance: 32Ω
Charging Case batt-ery Capacity: 3.7V 300mAh
Earbuds batt-ery Capacity (Each): 3.7V 30mAh
Music Play Time: about 4 hours (depends on music volume)
Charging Time: about 1 hour (Earbuds), about 2 hours (Charging Box)
Color: Black, White (Optional)
Item Size: Approx. 3.8*2.3*1.6cm/1.49*0.90*0.63in (Each)
Item Weight: Approx. 4g/0.14oz (Each)
Package Size: 14*9*4cm/5.51*3.54*1.57in
Package Weight: 91g/3.21oz

Package List:
1 * Pair of Earbuds
2 * Pairs of Earcaps
1 * Charging Case
1 * Charging Cable
1 * User Manual (English/Chinese)

Features:
BT 5.1 technology ensures high data transfer speed, stable and fast connection, and low po-wer consumption.
The true wireless headphone will auto po-wer on and fast pair between left and right earbuds once taking out of the charging case.
After connecting to mobile BT, it automaticallt enters into low latency mode, suitable for use when playing games.
Touch control design, no more pressure on your ears. Easy to control music and calls, and activate voice assistant.
Built-in Mic on both earbuds with intelligent noise reduction delivers clearer talking sound in stereo mode.
A 300mAh charging case can charge and store the earbuds. 30mAh batt-ery in each earbud ensures about 4 hours of music time.