• Bone conduction Bluetooth-compatible sunglasses. Fashion smart Bluetooth. Low power consumption chip with fast charging. CSR Bluetooth-compatible chip 4.0
  

• Protection from harmful rays: the perfect combination of durable and fashion lenses, UV400 polarized sunglasses offers anti-glare and ultraviolet-proof protection

• Built-in rechargeable lithium-ion polymer battery, don't worry about low battery

• Portable and lightweight, you can use it as sunglasses or a headphone to enjoy music 

• Simple operation easy to use with voice promotion
  

Specifications:

• Bluetooth-compatible: V4.0

• Bluetooth-compatible chip: CSR8635

• Frequency: 2.4GHz

• Sensitivity: 86±3dB

• Impedance: 16Ω

• Working distance: 10m-15m

• Battery capacity: 250mAh

• Battery Type: lithium-ion polymer battery, rechargeable

• Charging time: 2 hours

• Charging voltage: 5V

• Charging port: Micro USB port

• Talk time: up to 8 hours

• Playback time: up to 8 hours (Vary by music volume)

• Product weight: about 44.4g / 1.56ounces

• Product Size: Approx. 15.5 x 15 x 5.0cm / 6.10 x 5.90 x 1.96inch