JBL JBLREFFLOWBLKAM-Z Reflect Flow Sport Headphones Black - Certified Refurbished Description Boasting an IPX7 waterproof rating and up to 30 hours of battery life, the black JBL Reflect Flow true wireless in-ear headphones are designed to provide long-lasting comfort, performance, and convenience during workouts, sports, and more. With Bluetooth 5.0 technology, built-in controls, and easy access to voice assistants, these earphones integrate seamlessly with your mobile device and lifestyle. Stay cognizant of your surroundings with the Ambient Aware function, and hold conversations without removing the earphones thanks to the TalkThru feature. A quick 10-minute charge will give you a full hour of operating time, and it takes just two hours to achieve a complete charge. Three sizes of silicone eartips and patented Freebit enhancers are included to ensure a personalized, optimal fit for your ears. Features 8mm Dynamic Drivers Bluetooth 5.0 Technology Audible Environment via Ambient Aware TalkThru for Convenient Conversations Truly Wireless Discover the freedom of a wireless lifestyle while on the go. Work out, listen to music, and manage your calls without the fear of tangled wires interrupting your groove. Hands-Free Stereo Calls Manage music and calls with ease or get info from your voice assistant at the touch of a button. Ambient Aware and TalkThru Equipped with Ambient Aware for additional awareness in outdoor environments and TalkThru for easy conversation without taking out the earphones. Waterproof The IPX7 waterproof rating enables you to get through the toughest workout in any weather. 30 Hours Battery Life and Speed Charge Power a week's worth of workouts or a full day of fun with 10 hours in the earphones plus an additional 20 hours in the charging case. A 10-minute rapid charge gets you back in the game for another full hour. JBL Signature Sound 5.8mm dynamic drivers feature JBL Signature Sound to provide a powerful punch to all your playlists. Ergonomic Fit Better comfort and customization with ergonomic silicone tips and patented Freebit enhancers in three sizes. Specifications Headphone Earpiece Design In-Ear (Intra-Aural) Driver Type Dynamic Number of Drivers 1, per Earpiece Driver Size 0.23" / 5.8mm Impedance 14 Ohms Active Noise Cancellation No Controls/Microphone Location Controls: Left Earpiece, Right Earpiece Microphone: Earpiece (Side Unspecified) Full Remote OS Support Android, iOS Performance Frequency Response 20 Hz to 20 kHz Sensitivity 102 dB at 1 kHz Maximum Sound Pressure Level (SPL) 94 dB Storage Capacity None Microphone Sensitivity -40 dBV at 1 kHz Wireless Connectivity Wireless Modulation /4 DQPSK, 8DPSK, GFSK Bluetooth Profiles A2DP, AVRCP, HFP Bluetooth 5.0 Frequency 2.402 to 2.48 GHz Transmitter Power 9.5 dBm NFC No Encryption None Battery Battery Chemistry Lithium-Ion Capacity (mAh) 110 mAh Runtime 10 Hours (Music) Quick Charging Times 10 Minutes for 1 Hour Recharge Time 2 Hours DC Input Power 5 VDC at 1 A Charging Port Pins Charging Case Additional Runtime 20 Hours Capacity 850 mAh Charging Time 2 Hours Charging Interface Micro-USB Physical Water Resistance Resistant IP Rating IPX7 LED Indicator Yes Dimensions Earphones: 0.79 x 0.79" / 2 x 2cm (Each) Charging Case: 3.35 x 1.57 x 1.18" / 8.5 x 4 x 3cm Weight 3oz / 85g Packaging Info Package Weight 0.65 lb Box Dimensions (LxWxH) 9.3 x 8.35 x 4.1"