Come and see our amazing products. This wireless bluetooth earphones is made of plastic, come in black or white, and feature Bluetooth 4.0 technology to wirelessly pair with up to two compatible devices simultaneously. Features include volume control buttons, a talk time of 3-4 hours, and an audio playback time of 3-4 hours. This also has a charging time of 2 hours and a standby time of 120 hours.Customized logo available.Price for over 10000pcs is for sea shipment. Pls confirm further with us if any query about packing info, inventory status and time schedule.