For Beyerdynamic DT700 Prox DT900 Prox Headphone Covers, Color: Head Beam Tag-Power Splitter Please use alkaline batteries in

Please use alkaline batteries in order to get good use of effects

enabling speakers without Bluetooth function to have Bluetooth function

it can be hung around your neck for easy use

Galaxy Tab 3 10

For Beyerdynamic DT700 Prox DT900 Prox Headphone Covers, Color: Head Beam Tag-Power Splitter Please use alkaline batteries in1. Soft, breathable, comfortable and durable 2. Ergonomically designed to fit the ears and reduce exposure 3. Earplugs are durable 4. Usage occasions: listening to music, playing games, traveling, entertainment 5. Suitable for Beyerdynamic DT700 Prox DT900 Prox 6. The size of the gray thickened leather model is 100x33mm, the inner diameter is 55mm, and the weight is 40g pair. 7. Gray original thickness leather model size 95x25mm, inner diameter 55mm,