Havit TW935 Bluetooth earbuds Black.

Specs:

Bluetooth Version : V5.0
Charging case Dimension : 23x45x63mm
Earbud Dimension : 18x17x40mm X 2
Net Weight : 3.7g x 2 (Earbuds)
Charging Case Weight : 38.3g
Wireless working range : 10M (without obstacles
Speaker : .10mm
Speaker frequency : 20Hz~20KHz
Input Voltage / Current : 5V DC/1A
Earbud Battery : 30mAh*2 (Fully charging in 1.5Hour)
Charging case battery : 250mAh
Play Time : 3H, Talk Time : 3H
Charging Time : About 1H (Charging Case)