YJ-20 Wireless Headset In-Ear Bluetooth Earbuds IPX7 Water Resistant Sports Headphone with LED Digital Display / Touch Control Function - Black

• 300mAh large capacity charging case for long battery life
• LED three true digital battery display
• Automatic pairing, take out self-connection
• Cool fingerprint touch light painless and portable control
• Bluetooth 5.2 chip evolutionary technology upgrade

Specifications:

• Item model number: YJ-20
• Bluetooth solution: Bluetooth V5.2
• Product speaker: copper ring speaker (obvious bass effect)
• Product chip: JL BT6973D4
• Standby time: 120 days+
• Working time: 8 hours, the charging case can charge the headset about 3 times
• Charging time: about 1 hour
• Communication distance: 10-15 meters (barrier-free)
• Charging case interface: Type-C charging port
• Headphone battery capacity: 40mAh (pure cobalt battery)
• Charging case battery capacity: 300mAh