This is a pair of full-rimmed sunglasses that adopts advanced Bluetooth technology for reliable use. The ergonomic design ensures ultimate wearing comfort. This pair of sunglasses is an ideal choice for modern people.

• Optical lens: Baolilai polarized lenses (anti UV400).
• Lens curvature: 600C (Southeast Asian style), 800C (American style).
• Bluetooth: 4.0.
• Frequency range: ISM2.402-2.480GHz.
• Transmission range: 10 meters.
• Battery capacity: 90mAh polymer lithium battery.
• Holding time: 5h.
• Standby time: 150h.
• Charging voltage: DC 4.2V/500mA.
• Charging time: 2h.
• Weight: 32g.