• 【True Bone Conduction Technology】World's first true bone conduction technology that doesn't harm your ears, providing a unique and safe listening experience.
• 【Comfortable Open-Ear Design】The open-ear design allows you to stay aware of your surroundings while enjoying your audio, perfect for outdoor activities like cycling and running.
• 【Long Battery Life】Up to 5-6 hours of playtime at 80% volume, with a charging case that extends your listening time even further.
• 【Lightweight and Durable】Weighing only 7.2g per earbud, these headphones are made with TPE, ABS, and titanium alloy materials for comfort and durability.
• 【Clear Call Quality】Equipped with a sensitive microphone (-42±1dB) and noise reduction technology for clear voice calls.

Specifications:

• Model: B22 Por
• Chip and model: JL7006
• Bluetooth-compatible version: 5.4
• Battery: 65mAh for earphones and 300mAh for charging case
• Speaker: 8Ω±15% bone conduction vibrator (13mm)
• Play time: 5-6H@80% volume
• Talk time: 5H@80% volume
• Standby time: 240
• Charging time: 2 hours
• Charging port: TYPE-C 
• Waterproof: IPX66
• Product size: 48mm*36mm*12mm(LWH)
• Charging case size: 88mm*53mm*22mm(LWH)
• Net weight: whole machine: 66.5g single earphone: 7.2g
• Wireless working range: 10 meters
• Speaker sensitivity: 75dB±3dB
• Supported protocols: A2DP 1.3, HFP 1.7, AVRCP 1.6
• Impedance: 16Ω
• Speaker frequency: 160Hz-16000Hz
• Input current/voltage: 5V/200mA
• Material: TPE+ABS+titanium alloy memory steel wire
• Microphone sensitivity: -38±3dB (0dB=1V//Pa)
• Microphone signal-to-noise ratio: -38dB SPL
• Microphone distortion THD: less than 0.1% 94 dB SPL @ 1kHz
• Microphone impedance: 300Ω
• Speaker type: 14mm vibrator
• Speaker impedance: 8Ω
• Frequency response: 20Hz-20KHz
• Rated power: 500mW