Sony LinkBuds WF-L900 True Wireless Earbuds Always on, never off! LinkBuds connect all your worlds perfectly with an open ring design that allows you to hear calls, music and other online content anytime, as well as the ambient sounds around you. Small and light, at approximately four grams in weight, with super fit styling, LinkBuds combine a shape that perfectly matches the human ear with a new ergonomic design for a more stable fit, for hours of comfortable wearing. Super small Sony wireless earbuds - for a light and comfortable fit. Enjoy truly transparent ambient sound on these Bluetooth earphones, thanks to Sony’s newly developed ring-type driver unit. Hear clear phone call and music quality on your wireless earphones with microphone. For total convenience, these Bluetooth headphones can be paired with two Bluetooth devices at the same time. So when a call comes in, your headphones know which device is ringing and connects to the right one automatically. Firmware update is required. Firmware will be available in November 2022. Headphone FeaturesConnection: true wireless. Bluetooth enabled for a wireless connection to your devices . Connects to devices via Bluetooth. Featuring gesture control. 10m range. Water-resistant. IPX4 splashproof. Compatible with universal smartphones. Batteries required 3 x Li-Ion battery (included) . Rechargeable battery. 5.5 hour battery life. 10 minute charging time. Fast charge to boost battery life. Charging case included. In the box: Charging Case, USB Cable, Arc Supporters, Operating Instructions, Reference Guide. General InformationModel number: WFL900H. CE7. Manufacturer’s 1 year guarantee. EAN: 4548736132085. Warning - Not suitable for children under the age of 3 years due to small parts and entanglement hazard. Caution – To prevent possible hearing damage, do not listen at high volume for long periods.