Country:China Model No:B09 FOB Price:3 ~ 10 / Piece ( Negotiable ) Get Latest Price Place of Origin:China Price for Minimum Order:3 per Piece Minimum Order Quantity:100 Piece Packaging Detail:1pc/ gift box Delivery Time:Order: 7 to 15 days, retail: 3 to 5 days Supplying Ability:50000 Piece per Month Payment Type:PayPal, Money Gram, Western Union, L/C, T/T Product Group :Bluetooth Headphones Bluetooth version: V5.0 Bluetooth Distance: 10M Speaker diameter�?�¯ï¿½?�¼?�¯�¿�½?�?�¦40mm Speakerfrequency range: 20Hz~20KHz Battery specification: 400mAh Charging voltage: 5V Charging time: about 2h Bluetooth duration: about 16h Accessory: charging cable, 3.5mm Aux cable, TF card Color: black, rock white, gray, brown green