1. This portable amplifier will provide you with accurate sound amplification. Easy to handle, convenient for daily use and travel use. 2. In-ear design, both headphones are equipped with silicone ear pads, not easy to slip off, very comfortable to wear for a long time. 3. Easy to operate, with buttons on the surface, easy to adjust the volume 4. Noise cancellation function, ideal for eliminating background noise 5. Battery powered, easy to carry as it has a clip at the back that can be adjusted according to your clothes 6. Rich in elasticity, safe to wear, no damage to the ear canal 7. Material: ABS 8. Battery: 2 AAA batteries (not included) 9. Product size: about 10.3 x 6 x 2.3cm
