Model TM-H21T-BK Connect them quickly and easily to any device equipped with wireless connection technology (smartphone, tablet, PC). Simple to connect, they are the accessory you can't do without. Thanks to their design, the TouchBuds TM-H21T will be comfortable to wear. The shape gives these earphones an elegant appearance, also thanks to the arm that descends from the ear insert. With a simple gesture you can answer or reject calls, listen and change music in style. In addition, you can activate the preset voice assistant without even taking your smartphone out of your pocket. Use your devices together: smartwatch, smartphone and TouchBuds. Respond with a simple gesture, but without surprises. The phone rings, the smartwatch notifies you of the call and with the touch you answer or reject. Headphone Weight: 3.5g Dimensions: 58mm x 47mm x 24mm   Speaker 44mm x 16.5mm x 16mm , 32Ω SNR 105dB±3dB / 1KHz Frequency response 20HZ-20KHZ BT Version V5.1 Working range 10M Earbuds Battery 30mAh Power Bank Battery 300mAh Multifunction touch button present on both earbuds Please note we cannot offer refunds on products that have been opened, used or synced with a smartphone.