• Compatible with Bluetooth-compatible devices such as mainstream mobile phones and tablets
• Left and right double speakers, real stereo sound effect
• TAC polarized lens/PC photochromic lens, effectively protects the eyes, safe and comfortable
• Bluetooth-compatible 5.1 technology, stable and fast connection
• Built-in microphone, supports hands-free voice call
• Support wake-up voice assistant for easier control
• Adopt an open earphone speaker system, enjoy music safely and freely
• Built-in lithium battery, long endurance
• Ultra-light glasses frame, humanized design, comfortable to wear
• Charging by magnetic charging cable

Specification:

• Model: SP251
• Material: TR frame+TAC polarized lens/PC photochromic lens
• Bluetooth-compatible version: Bluetooth-compatible V5.1
• Battery capacity: 120mAh
• Music duration: about 5.5H (100% volume)
• Call duration: about 5H (100% volume)
• Standby time: about 60H
• Charging time: about 1.5H
• Charging input: DC5V
• Product weight: about 42g
• Applicable occasions: Cycling/driving/fishing/daily wear, etc.