Country:China Model No:A06 FOB Price:10 ~ 20 / Piece ( Negotiable ) Get Latest Price Place of Origin:China Price for Minimum Order:10 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 :Noise Cancelling Headphones Specification: Bluetoothsolution: BK3266 Bluetooth version: V5.0 Bluetooth protocol: AVRCP,HSP,HFP,A2DP Bluetooth Distance: 10M ANC frequency:20~800Hz ANC noisecancellation: 20 �?�± 2db Operating frequency: 2.402~2.480GHz Battery specification:3.7V/400mAh Charging voltage:5V/1A Charging time: about 2h Bluetoothduration: about20h Bluetooth + noisecancellation duration: about10h Noisecancellation duration: about 40h Accessory: charging cable, 3.5mm Aux cable