Keenso Smart Stereo Glasses - Flashy gold

1 2. Noise cancellation: management technology can put the sound in a designated position, which can actually reduce external interference for you. Intelligent noise reduction, external expansion channel. 3 Built in the 200 mAh lithium battery (included), 2-3h charging. 4 5 Technical specifications: Type of article: smart glasses Material: ABS Protocol: 5.0 Gamma of reception: ca. 10m / 33ft lithium battery built in : 200 mAh (included) Charging time: 2-3h How to use: 1. Press and hold the power button for 1 second to turn on 2. Press and hold the power button for 2.5 seconds to close Packagelist: 1 x glasses 1 x cleaning weight 1 x storage box 1 x Manual 1 x headphones 1 x charging cable 1 x storage bags