B20 True Wireless Headphones Mini TWS Sports Earphones Bluetooth 5.0+EDR Touch Control Headsets 400mAh Charging Box

B20 adopts powerful BT 5.0 imported high-end chip, offering good stability, stronger singal, clear call without delay. True wireless headphones ensure stereo sound when in double mode, or sharing music with your friends in single mode. The charging box uses 360° rotation design, fashionable, easy and convenient to operate. With built-in microphone, it enables hands-free calls to set free your hands when doing sports. And touch control design offers simple touch to control play / pause, touch twice for next song, long press to wake up Voice Assistant.

Features:
[Mini and Portable]
Only 3.3g weight of each earphone, will have no pressure to your ears. And equipped with soft silicone earmuffs, comfortable to wear for a long time.
[BT 5.0 + EDR]
Adopt powerful BT 5.0 imported high-end chip, offering good stability, stronger singal, clear call without delay. Compatible with almost all BT-enabled devices.
[Portable 360° Rotation]
Creative charging box opening mode, 360 degree free rotation. The switch is so simple, easy and convenient to operate.
[Single or Double Mode]
Single mode to share music with your lover at the same time or ideal for driving and will not miss important messages. In double mode, you can enjoy stereo music.
[Hands-free with Mic]
Built-in microphone enables hands-free calls to set free your hands when doing sports. Touch control design, simple touch to control play / pause, touch twice for next song, long press to wake up Voice Assistant.

Specifications:
Product No.: B20
BT Version: V5.0+EDR
Support Profile: Headset / Handsfree / A2DP / AVRCP
Working Voltage: 3.4V-4.2V
Working Current: 4mA-15mA
BT Frequency: 2.4GHz-2.8GHz
Impendence: 30 ohm
Sensitivity: 88 dB
Transmission Distance: Up to 20M (Linear Distance)
Charging Box: Battery Capacity: 400mAh
                   Charging Time: 1-2 Hours
                   Size: 6.4*4.8*2.5cm / 2.52*1.89*0.98in
                   Weight: 41.2g / 1.44oz
Headphones: Battery Capacity: 55mAh
                  Working Time: 2-3 Hours
                  Weight: 3.3g / 0.11oz
Package Size: 12*9*4.2cm / 4.7*3.5*1.7in
Package Weight: 137.6g / 4.85oz
Color: Black

Packing List:
1 * Charging Box
1 * Pair of Earphones
2 * Pairs of Earmuffs
1 * Charging Cable
1 * User Manual (English / Chinese)