M520 Bone Conduction Headphone TWS Bluetooth-compatible Earhook Earphone Wireless Stereo Sound Headset for Running Sports - Black

• With Bluetooth-compatible 5.2 technology, fast pairing and stable performance, you can enjoy wireless music listening
• Adopting noise cancellation technology reduces the noise and keeps the stereo HiFi sound
• Earhook wearing, with bone conduction, no need to jam the earphone into the ear, so as to better protect the hearing. Unlike in-ear headphones, it allows you to keep in touch and understand the surrounding environment to ensure safety
• Adjustable wearing angle, easy to wear it. Inward adjustment, can clamp the ear, so that the earphone will not fall when you bend over, outward adjustment, convenient for earphone hanging on the ear
• Lightweight design for comfortable wearing, help to experience unparalleled comfort
• Waterproof design, no fear of sweat, great for running, hiking, cycling, car driving, business occasion, etc, enjoy superb sound quality instantly

Specification:

• Bluetooth-compatible version: V5.2+EDR ultra-low power consumption
• Wireless frequency: 2.4GHz
• Support agreement: A2DP1.3 / HFP1.6 HSP1.2 / AVRCP1.6 / D11.3
• Transmission distance: 10 meters
• Charging voltage/current: 5V/1A
• Battery capacity: 135mAh
• Charging time: about 2 hours
• Standby time: 720 hours
• Talk time: about 48 hours
• Listening time: about 26 hours
• Horn impedance: φ8mm
• Sensitivity: -42dB
• Operating temperature: -10℃~50℃
• Headset weight: 10g
• Headset size: 7.7*4*0.9cm