TWS VV2 Bluetooth Earphones | Sport Ear Hook | LED Display | Waterproof | HiFi Stereo | Wireless Headphones

Bluetooth Version: V5.0 Frequency:2402MHz-2480MHz Nominal impedance:32Ω                                          Charging input:5v/700mA Charging time: about 6-8hours Working time: Talk time6-8H             Music time:6-8H