Bose QuietComfort Earbuds II - Triple Black

Up to 6 hrs of battery life with a single chargeCase holds an extra 3 chargesUp to 24 hours of total listening timeUp to 2 hours of listening time with a quick 20-minute chargeDimensions and weightEarbuds:1.72 cm H x 3.05 cm W x 2.24 cm D (6.24 g)Charging case:5.94 cm H x 6.63 cm W x 2.67 cm D (59.8 g)USB cable:30 cmMaterialsEarbuds: Plastic, gold plating, sweat and water resistant (IPX4)Eartips: SiliconeCase: Hard plasticBattery Battery life: Up to 6 hoursEarbud charge time: 1 hourCharging case charge time: 3 hoursQuick-charge time: 20 minutes for 2 hoursBattery charge method: USB-CBattery type (earbud): Lithium-ionBattery type (case): Lithium-ionAutomatic on/off feature to preserve batteryMicrophones 4 microphones in each earbudTechnologyBluetooth range: Up to 30 ftBluetooth version: 5.3Codec: SBC and AACChip set: Qualcomm S5 Audio SoC