ARK SMART Bone conduction sunglasses Bluelens_blueframe Polarized UV 400 Protection Lens  (Interactive Glasses, Blue)

This Bone Conduction Sunglasses use a cooling technology called bone conduction to transmit audio to your brain. Bone conduction is a way of sound conduction which transfers sound waves through Cranium, bony labyrinth, inner ear lymph fluid, auditory nerve, auditory center. We can hear the sound using bond conduction every day. Specifications: Frame Colors: Black Lens Colors: Blue, Black, Orange Model No: G1 Bluetooth: CSR V4.0 Profile: Headset, Hands-free, A2DP, AVRCP, HSP, HFP Power: Class 2 Work Range: 10 meters Charging: 2 hours Phone: Call 8 hours Music: 8 hours Standby: 120 hours Frequency: 2.4 GHz Charging: DC 5V MAX 500mAh, Micro-USB Net Weight: 45 g Unit Size: 52*148*143 mm Lens: UV400, Polarized, TAC Certifications: FDA, CE-RED, FCC-ID, RoHS, PI967, UN38.3 Compatibility: Android, iPhone, Tablet, Windows PC, Mac, etc Specifications: Frame Colors: Black Lens Colors: Blue, Black, Orange Model No: G1 Bluetooth: CSR V4.0 Profile: Headset, Hands-free, A2DP, AVRCP, HSP, HFP Power: Class 2 Work Range: 10 meters Charging: 2 hours Phone: Call 8 hours Music: 8 hours Standby: 120 hours Frequency: 2.4 GHz Charging: DC 5V MAX 500mAh, Micro-USB Net Weight: 45 g Unit Size: 52*148*143 mm Lens: UV400, Polarized, TAC Certifications: FDA, CE-RED, FCC-ID, RoHS, PI967, UN38.3 Compatibility: Android, iPhone, Tablet, Windows PC, Mac, etc (In case of any Manufacturing defects with in warranty period , product can be sent to Our Invoice address for service/repair.).