Kacamata Bone Conduction - Bluetooth - Polarized

Specifications： Item type: Bluetooth SunGlasses - Bone Conduction Color: Black(Blue) / Black (Black) / Blue (Blue) Speaker: bone conduction Call time: 8 hours Model: GBS-G1 Transmission distance: 10-15m Material: PC Charge voltage: 5V (1cm=10mm=0.39inch) Measurement Details in the attached picture. Package included: 1x Bone Conduction Bluetooth Glasses 1 x User manual 1x Package Box 1x part Box 1x usb cable 1x Glasses cloth 1x glasses case 1x Polarized test piece Feature: -100% brand new and high quality. -Bone conduction, using bones to transmit sound, does not hurt the eardrum, safe, comfortable, flying in-ear design can protect people's ears, high-quality Blue tooth data transmission, restore CD-quality sound. -Can be fully charged within 2h and have long stand-by time. -User-friendly electronic circuit design, One single button, easy operation. -Rechargeable, Micro-USB, more convenient. -7 layers of material composite to filter UV, strong light and etc to protect your eyes. -Sweatproof and waterproof design for long service time. Notice: -Please allow slight deviation of measurement due to manual measurement. -Due to different monitors and different light, the picture may not reflect the actual color of the item. -Please consider the actual sizes shown in the listing as the pictures are generally enlarged to show detail. If you have any questions, please contact us. Wish you have a happy shopping time.