SYSTENE Wireless Air-Dot Bluetooth  (Black, True Wireless)

100% true wireless Air-dots for android Ios smartphones. Wireless connection Bluetooth 5.0 Bluetooth protocol HFP/A2DP/ HSP/AVRCP Communication distance 10 meters (accessible open environment). Dual headphones continuously listen to songs for about 4 hours, headphone standby time is about 150 hours, single earphone battery capacity is 40mAh, Charging box battery capacity is 300mAh, headphone charging time is about 1.5 hours, Charging box charging time is about 2 hours. Charging adapter/cable has not included in the package as we can use any micro USB port charging adapter/cable for charging this device. The net weight of a single earphone is about 4.1g. The total net weight of the charging box is about 35.4g. Charging box size 62*40*27. Bluetooth 5.0 - A new generation of Bluetooth technology for faster and more stable and quick connections. Free to adjust, comfortable to wear, not easy to fall off Lightweight and comfortable to wear is the highlight.