Bose Frames Alto Audio Sunglasses

Feature: 

• Audio Chambers for Personalized Audio
• Nothing In or On Your Ears
• UVA/UVB Protection
• Wireless Bluetooth Technology
• Built-In Mic for Hands-Free Calls
• Larger Frame with Classic Angular Rims
• One-Button Control for Playback & Calls
• Shatter/Scratch Resistant Lenses
• Comfortable Nylon Rims
• Durable Metal Hinges

Specification: 

• Dimensions/weight
• Frames Alto S/M
• 53 mm – 20 mm – 135 mm
• (Lens width – Distance between lenses – Temple length)
• Frames Alto M/L
• 54 mm – 21 mm – 136 mm
• (Lens width – Distance between lenses – Temple length)
• Weight:45 g
• Additional details
• Bluetooth range: 30 ft (9 m)
• Battery charging time: Up to 2 hours
• Battery life: Up to 3.5 hours of streaming music playback
• 832029-0010B, OD845131A, 838211-0010A