Sony LinkBuds: Truly Wireless Earbuds / Small and Lightweight at 4.1 grams / Full Open Style for Constant Wear / Microphone Call Performance / 12mm Driver / 5.5 Hours of Continuous Playback / 90 Minutes of Playback with 10-Minute Charge / IPX4 Water Resistance / Operability / Sound AR Compatible / White WF-L900 WM Connection Type: Wireless These will be disinfected with alcohol before shipping. Please understand that these are used items. Please refrain from purchasing if you are looking for the quality of a new product, including the box. There is some tearing on the inner box. Popular Model: LinkBuds Type: Canal Type Connection Type: Wireless Features: Bluetooth