Shoumi Wireless Headphones Cheap Bluetooth TV Headset with Bluetooth Adapter Television Earphone for TV Computer Adaptor Helmet 1.Bluetooth functionsupport stereo music playing, phone calling... 2. Support all audio devices that have Bluetooth capability, such as, cell phone ,tablet PC,laptop,computer etc. 3. 3.5mm audio jack, provides a simple wired connection of a variety of devices without Bluetooth. 4. Allow you to answer or reject phone calls anytime and anywhere. 5. Charged via USB, rechargeable battery, convenient and practical. 6.Playing time up to8 hours, and continue talk time up to10 hours, standby time up to300 hours. 7. Good quality, foldable design and adjustable length hinges, very comfortable to wear and easy to carry. 8. Best choice for listening music, watching movie, chatting online etc. 9.Cool shinnging outlook adds the fashionable feel. with bluetooth adapter can listen TV. Model NO:061 with TV adapter (Built in battery) Bluetooth Version: V5.0 Frequency: 2.40GHz-2.48GHz Power: 4 dBm, class 2 Effective range: 10M Sensitivity: -112dBm / 0.1% BER Frequency response: 20 Hz - 20 KHz S/N rate: 70 dB Distortion: 0.10% Speaker size: 40mm Transfer Protocol :support A2DP 1.2, AVRCP 1.0, HSP, HSF 1.5 Battery : Voltage 3.7VDC (built-in 400MAH rechargeable battery) talking time: 10 hoursMusic time:8-12 hours standby time: 300hours charge time: 2-3 hours Work current: 40 mA operate temperature: -4 ~ +131F(-20 ~ +55C) product size: length about 17 cm/6.69 inch,width about :17cm/6.69inch 1 x Bluetooth headset. 1 x Wireless adapter (built in battery) 1 x 3.5mm audio cable 1 x charging cable. 1 x Chinese and English user manual.1.Because the packing size and other reasons, the