Item Condition Opened box - original retail box shows some wear. In excellent condition. Opened but never been used. Includes charging cable. We have tested this for functionality. Item Location Ships from our warehouse in Las Vegas, Nevada, 89102, USA Fast FREE Shipping We handle all paid orders within 1 business day. Best Offers Accepted Offers are reviewed at the close of business each night. We accept reasonable offers for - Multiple units of the same item - Errors or condition changes within our listing - Combining shipping for 2 or more separate orders Return Policy We offer a 30 day return window from when you receive the item. Items must be in the same condition and in original packaging. Seller Warranty - We Protect Against Defects Our in-house technicians evaluate and refurbish every electronic item we list. We are proud to offer our customers a 30-day warranty against defects. Contact us directly by selecting "I have a question about using my item or I want to send the seller a message." We are eager to hear from our customers. Product Description Model: i17 Bluetooth Version: V5.1 Maximum transmission range: 15M Working temperature: -10+50C RF Sensitivity: -92dBm Operating Frequency: 2.40GHZ-2.48GHZ Supported Bluetooth profiles: HFP/A2DP/AVRCP Music playing time: about 5-8h Headphone charging time: About 1.5 hours Battery Capacity: 2*3.7V/60mAh Rated voltage and energy capacity: 3.7V/400mAh