• Bone Conduction Design: Bone conduction technology design delivers music through your cheekbones, ensuring ears remain completely open to ambient sounds for maximum situational awareness during long-term wear.Protect your ears from harm.
• Perfect Sound Quality: Microphone with CVC6.0 noise reduction technology to effectively reduce the background noise, to provide you with high-quality sound. You can enjoy the clear sound when you listen to music or make phone calls.
• Strong Compatibility: Compatible with all Bluetooth devices, such as smart mobile phone, notebook computer, tablet computer, the use of simple, quick connection can connect up to 2 Bluetooth devices, connection distance can be more than 10 meters(33ft).
• Long Battery: High-performance lithium battery, 120hours standby time, 4-5 hours music play, 4-5 hours phone call,1-2 hours fast charge.
• Safety Fitness Accessories: Sweatproof and ergonomic design suitable for outdoor activities, Open-ear bone conduction headphones are designed so you do not need to plug or cover your ears as traditional earphone or headphone requires. No more headphone-wearing discomfort that in-ear or over-ear headsets will bring. Perfect for outdoor activity lovers to ensure their health and safety.such as, running, cycling, hiking, walking, climbing and so on.

Bluetooth: Version: BT 5.0
Frequency: 2.402-2.48 GHz
Support Agreement: HSP / HFP / A2DP / AVRCP
Calling time: 4-5 hours
Music time: 4-5 hours
Distance: about 10 m
Speaker output power: 2~3 mW
Standby time: 120~150 hours
Signal to noise ratio: -75 db
Battery capacity: 401025 (with protection board) 3.7V / 70mAh
Charging time: 1~2 hours
Charging interface: Micro-USB
Transmission power: Class 2
Charging current: 0.5A~1A