Material: Metal Bluetoothe V5.3 + ABS+PC broad compatibility with iOS and Android gadgets Type-C charging for 2.5 hours, 90 hours for phone calls, 100 hours for music, and 800 hours for standby Packaged unit size: 19.5 * 16.6 cm 281g, 40dB ANC+ENC, HIFI music, net weight