OnePlus Nord Buds 4 oordopjes TWS met 52 dB ANC 54 uur accuduur bluetooth 6.1 IP55 Stellar Black USB 3.0 Tweekanaals ontvanger Range of 10 metres Tweekanaals ontvanger and not to smoke near it True wireless (TWS) no cable between the earbuds up to 52 dB Battery life Up to 54 hours Bluetooth version 6