• Support Bluetooth-compatible protocol: a2dp\avctp\avdtp\avrcp\hfp\spp\smp\att\gap \gatt\rfcomm\sdp\l2cap profile 
• Bluetooth-compatible 5.3 chip, stable and continuous connection, master-slave switching, support any single ear use
• Handle-shaped in-ear mini headphones, more invisible
• Digital display function, keep abreast of power dynamics, bid farewell to battery anxiety
• Built-in ENC algorithm noise reduction, high-definition calls, noise reduction, and anti-interference 
• Curved compact model, easy to carry and store

Specification:

• Bluetooth-compatible Chip: JL6983
• Bluetooth-compatible Version: V5.3
• Transmission Distance: 10m
• Drive Unit: 13mm
• Sensitivity: 109±3dB
• Working Frequency: 2.4GHZ-2.48GHZ
• Battery Capacity: 30mAh 
• Charging Case Capacity: 230mAh 
• Charging Case Capacity Time: 1.5H
• Music Time: About 4.5H
• Standby Time: About 300days
• Input voltage: DC 5V