The Shokz OpenFit 2+ Open-Ear True Wireless Earbuds in Grey use an open-ear air conduction design that keeps your ears open to your surroundings while the music plays. They suit runners, cyclists and anyone who wants to hear traffic and surroundings during a workout. With up to 48 hours of total playback from the charging case, they hold plenty of charge across a full week of training. Features Up to 48 hours of total music playback and 36 hours of talk time with the charging case, plus a 10-minute quick charge for up to 2 hours of listening Air conduction transducer technology with woofer sensitivity of 96.5dB ± 2.5dB and tweeter sensitivity of 94.5dB ± 3dB Bluetooth 5.4 with a 10m wireless range and support for A2DP, AVRCP and HFP profiles IP55 sweat resistance in a durable PC and silicone build for active use Bluetooth Multipoint pairing and a wireless charging capable case AAC and SBC codec support for high-quality audio Specifications Barcode (GTIN): 810173482431 Product Type: True Wireless Earbuds Brand: Shokz Model: T921-ST-GY Colour: Grey Wireless Networking: Bluetooth 5.4 Water Resistance: IP55 Additional Features: Wireless Charging Capable, Open Ear Design, Bluetooth Multipoint Battery Type: Lithium Ion Explore more open-ear and wireless options in our headphones collection. What's in the Box 1x Pair of OpenFit 2+ earbuds 1x Charging case (wireless charging capable) 1x USB-C to USB-C charging cable 1x User guide and documentation set Good to know The open-ear air conduction design sits outside the ear canal, so you stay aware of traffic and your surroundings while you listen. Bluetooth Multipoint lets you stay connected to two devices at once, such as a phone and a laptop, and switch between them without re-pairing. The IP55 rating means the earbuds resist sweat, light water spray and dust, so they hold up to workouts and outdoor training. The case is wireless charging capable, so it can top up on any compatible wireless charger, and a 10-minute quick charge gives up to 2 hours of listening.}