Detailed description Astell/Kern AK XB10 Bluetooth Receiver 24bit Hi-Fi DAC aptX HD iOS USB DAC General Specifications Model AK XB10 Body Color Black Dimensions 1.97 ”(50 mm) [W] x 1.97 ”(50 mm) [H] x 0.48 ”(12.3 mm) [D] Weight 0.81 oz (23 g) Bluetooth Version Bluetooth 4.1, Class2 Bluetooth Profile A2DP (multi), AVRCP, HFP, HSP Frequency Band 2.4 - 2.4835 GHz ISM Band Range Maximum of 10 meters Operating Temperature -10°C ~ 45°C (23°F ~ 113°F) Audio Codec SBC, AAC, aptX™, aptX™ HD Port 2.5mm Balanced / 3.5mm Unbalanced Output Level 2.5mm Balanced : 1.8Vrms / 3.5mm Unbalanced : 0.9Vrms Battery Battery Type 350mAh 3.7V lithium polymer rechargeable battery Hours of Operation Approximately 5 hours for music playing and phone calls Standby Time Up to 300 hours Charging Time Approximately 2 hours Charging Method Micro USB 5Pin (charging 5V 2A) Shipping and Handling - Economy International Shipping - Standard International Shipping(Tracking Number Provide) Return Policy - Returns must be officially requested and agreed through eBay system prior to being sent. - You will receive a refund for the cost of the merchandise less all shipping costs after returned items arrived. - But will not cover return shipping fees on buyer's simple change or wrongfully purchased orders. Tax & Customs - International buyers are responsible for any and all customs, duties taxes and brokerage fees to be paid to the courier or government. - Please contact your local customs office with further inquiries in this issue. - Please kindly ask us if you need to declare the lower price we will do the best to help you. Questions - If you have a problem or question regarding your transaction please contact us before leaving any type of feedback. - Please send us a message if you have a problem on items
Returns Accepted for this item if it's within 30 Days