YYK-530-2 Business Single Ear Bluetooth Wireless Earhook Headset Waterproof Hands-free Call Music Earphone

• Ergonomic design, fit the ear canal design, won't fall off after wearing it for a long time
• Upgrade Bluetooth 5.0 technology, fast and stable connection
• IPX7 life waterproof and sweatproof, durable to use
• Dual noise reduction technology, effectively filter external noise, make the call clearer
• 360 degrees rotating design, suit for left and right ear
• Simple buttons operation, support adjust volume and switch the music

Specification:

• Bluetooth version: V5.0
• Bluetooth transmission distance: 10 meters
• Headset battery capacity: 100mAh
• Noise reduction: CVC 8.0
• Working voltage: 3.7V
• Charging voltage: DC5V
• Charging time: about 1.5 hours
• Frequency response: 50Hz - 20KHz