Overview:
BT 5.1 technology brings higher data transfer speed, more stable performance, and lower power consumption. With TWS technology, you can use the earbuds solely or in pairs. Auto fast pairing between left and right earbuds when taking out of the charging box. Equipped with a 2800mAh charging box to charge the earbuds. Built-in Microphone delivers clearer and more real talking sound. It will bring you a perfect user experience.

Features:
TWS BT5.1:
Wireless dual ear design, you can use the earbuds solely or in pairs. BT 5.1 ensures high data transfer speed, stable connection, and low power consumption.
Fast & Easy Paring:
Auto power on and fast pairing between left and right earbuds once taking out from the charging case. Easy and quick to pair with BT-enabled audio devices.
Hands-free with Dual Mic:
Built-in dual Mic delivers clearer and more real talking sound in stereo mode. Touch control design, easy to control music, volume and call.
Long Battery Life:
50mAh battery in each earbud ensures 5-8 hours of music playing time. The charging box can charge the earbuds and also work as a mobile power source.
Battery Digital Display:
LED battery digital display can clearly show the battery allowance of the earbuds and charging box.

Specifications:
Model Number: F9-3
BT Version: BT 5.1
Transmitting Distance: 10m/33ft (no obstacle)
Frequency Range: 20-20KHz
Sensitivity: 983dB
Impedance: 32
Charging Box Capacity: 3.7V 2800mAh
Earphone Battery Capacity: 2 * 3.7V 50mAh
Music Play Time: 5-8 hours (depends on music volume)
Color: Black, Black & Blue, Black & Red, White, White & Blue, White & Red (Optional)
Earbud Size: approx. 2.3*2.3*1.8cm/0.90*0.90*0.70in
Earbud Weight (Each): 4.8g/0.17oz
Charging Case Size: approx. 7.7*4.7*2.7cm/3.03*1.85*1.06in
Charging Case Weight: 74g/2.61oz
Package Size: 10.0*7.7*3.2cm/3.93*3.03*1.26in
Package Weight: 112g/3.95oz

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