Brand: Sennheiser Made in: China Composition: Plastic Type of power supply: Built-in rechargeable battery plus power supply for the trasmitter Amperage (mAh): 300 Charging time: 8 hours Bluetooth: No Microphone: No Waterproof: No Warranty: 2 years Compatibility: Tv Included in the box: Optical cable, RCA audio cable, power supply with 4 adapters (EU, UK, US & AU), istruction manual Item code: RS195