• CD-level HiFi sound effects, high-definition stereo sound, create a shocking auditory music feast
• Lightweight and compact, just wear it without tiring your ears, ear clip design, refreshing and breathable, avoiding damage to the ear canal
• Highly sensitive microphone brings HD calling
• 10mm composite diaphragm, high-frequency large dynamic size, equalized sound reproduction
• Upgraded Bluetooth-compatible 5.3 chip for stable transmission without disconnection

Specifications:

• Chip solution: JL AD6973D
• Bluetooth-compatible protocol: HSP, HFP, A2DP, AVRCP
• Bluetooth-compatible version: 5.3
• Frequency: 2.402-2.480Ghz
• Working distance: >10m
• Bluetooth-compatible antenna method: ceramic antenna
• Frequency range: 20HZ-20KHZ
• Sensitivity: 103dB 1KHz
• Battery capacity: earphone 30mAh, charging case 240mAh
• Charging box charging voltage/current: 5V 0.5A
• Impedance: 32 ohms
• Rated power: 3mW
• Earphone use time: about 5 hours
• Earphone single charging time: about 1.5 hours
• Charging time charging case: about 1 hour
• Earphone size: 30.00*5.88*12.50mm
• Charging box size: 67.00*30.00*48.00mm