Features: - One year warranty against manufacturer defect - certified seller. - Made for Movement: Flyer gives you the freedom and motivation you want during workouts with powerful audio, a comfortable fit and durability you can count on. - Enhanced Audio Experience: Precision engineered for crisp audio, powerful bass and dynamic range enhanced by waves sound technology, Flyer"s sound is optimized for workouts and all-day - Customize Your Fit: You don"t stay in place during workouts, but your headphones should. Thanks to innovative wings and fins that hug the natural shape of your ear. Flyer willKeeping Up with You: With up to 6 hours normal play time, plus a 15-minute quick charge that gives you an extra hour, Fitbit Flyer has the battery life you need to boost every workout. - Enhanced Call Audio Quality: Get high-quality, hands-free calls in any environment with a dual microphone that suppresses external noise like wind and other sounds - Easy to Manage: Flyer"s streamlined 3-button control box lets you adjust sound, pause or change songs and answer or end calls with the push of a button. - Keeping You Connected: Flyer can connect to two Bluetooth devices at once, so you can switch from hearing music on your laptop to answering a call on your smartphone. Specifications: - Weight: 20 g - Cord Length: 50 cm - Wireless technology: Flyer contains a Bluetooth 4.2 transceiver. - Battery: Flyer contains a rechargeable lithium-ion battery. - Frequency Range: 20 Hz to 20 kHz - Input 2 microphones Package Include: - Fitbit Flyer Wireless Headphones - 3Pairs of Customizable Ear Tips - 2Pairs of 2 Pairs of Customizable Customizable - Wings Fins - Charging Cable - Headphones Carrying Case - Night Blue -