• Upgrade Bluetooth-compatible 5.3, low power loss lossless sound quality
• Hollow metal shell design, cool body, performance mecha style
• With colorful gradient lighting effect
• In-ear design, more fits the ear, comfortable to wear
• 13mm large size dynamic speaker, the sound is clean and transparent

Specifications:

• Bluetooth-compatible Chip: JL6983D4
• Bluetooth-compatible Version: V5.3
• Transmission Distance: 10m
• Drive Unit: 13mm
• Working Frequency: 2.402GHz-2.480GHz
• Impedance: 32Ω±15%
• Sensitivity: 104±3dB
• Earphone Battery Capacity: 30mAh 
• Charging Box Capacity: 300mAh
• Charging Box Charging Time: 1.5H
• Music Time: About 3H 
• Talk Time: About 2H 
• Standby Time: About 35H
• Input voltage: Type-C DC 5V
• Support Bluetooth-compatible protocol: HFP/SDP/SMP/A2DP/AVRCP/AVCTP/AVDTP/GAPGATT