What's in the box:

F808 Wireless Bone Conduction Headphones Bluetooth 5.0 Headset Open-ear Sports Earbuds Waterproof USB Rechargeable with Mic for Driving Cycling Running Gym Mobile Phone (Black)

Features:
Open-ear design closes to the ear bone, sound waves directly transmitted to the acoustic system to enjoy high-quality music while not hurting the ear.
Bone conduction technology delivers music through your cheekbones, ensuring ears remain completely open to ambient sounds for maximum situational awareness during long-term wear.
Lightweight body design with rubber hanger creates a golden triangle wearing stability, long-wearing without pain, wear it without falling when you do sports.
The large dynamic diaphragm is used for directional audio transmission without loss, creating a realistic surround sound field.
TPE material, skin-friendly, non-irritating.

Specifications:
BT version: V5.0
Standby time: 140 hours
Talk time: about 8 hours
Music time: about 7 hours
Communication distance: 10 meters
Waterproof rating: IPX 5
BT protocol: HFP/A2DP/HSP/AVR CP
Package size: 16*11.2*5cm
Package weight: 130g

Package List:
1 * Headphone
1 * User Manual
1 * USB Cable