Features: TRULY WIRELESS PAIRING VIA BLUETOOTH® 4.1: Pairing 2 cordless earbuds wirelessly is now possible, making it the smallest stereo Bluetooth headset on the market. Bluetooth 4.1 with advanced audio decode technology enables wireless connections to your smartphones and other Bluetooth devices and gives these ultra-small stereo wireless headphones unparalleled sound quality. LONG BATTERY LIFE WITH PORTABLE CHARGER: With the unique patented dual-earbud conductive portable charging system available only with the A_TION Bluetooth earbuds, running out of batteries is a thing of the past. Just like Apple AirPods, the enhanced battery in the wireless headphones allows up to 3 hours for music and calls on a single charge. The small lipstick size portable charger can fully recharge the Bluetooth headset twice, providing additional 4-6 hours of music/talk time on the go. ACTIVATE SIRI, VOICE COMMANDS, AND UNPARALLELED SOUND QUALITY: Siri is just a touch away via the main button on either of the cordless earbuds. You never have to take your smartphone out of your pocket, giving you a genuine hands-free, wireless stereo experience. Voice prompts for calls, pairing and caller ID are transmitted directly to the wireless headset. Noise reduction and echo cancellation technology filters ambient noise and enables clearer sound during calls and when listening to music. DESIGNED FOR SPORT: The WaterSafe nano coating technology ensures that it s sweatproof, water resistant, and IPX5 waterproof. Making this true wireless Bluetooth headphones perfect for the gym, running, biking, hiking, exercising, and any other activity. Compatible with iPhone 7/7 Plus/6s/6s Plus/6/6 Plus/SE/5s/5/4s/iPod/iPad/iPad Mini/iPad Pro/Macbook/Macbook Air/Macbook Pro/iMac/Mac Pro/Mac Mini/Samsung Galaxy S6/S5/S4/S6 Edge/Edge+/7/6/5/4/3/Edge/Android/Windows/tablets/laptops/computers. Dimension: Earbud: 14mm (D) x 20mm (L) Portable charging case: 16mm (D) x 56mm (L) Weight: Earbud: 0.1 oz Portable charging case: 0.5 oz Battery input: Earbud: 5V / 20mA Portable charging case: 5V / 110mA Battery capacity: Earbud: 50mAh Portable charging case: 110mAh Charging time: Earbud: 2.5-3 hours Portable charging case: ¡ñ120 minutes Bluetooth version: 4.1 Bluetooth profiles: HFP, HSP, AVRCP, and A2DP Audio enhancements: cVc noise reduction Package includes: 1 Bluetooth Earbud 1 Portable Charging Case 1 USB Charging Cable 1 Lanyard 3 Ear Tips: Small, Medium, Large Compatible to All Bluetooth-enable Devices