Noise Cancelling Wireless Wireless Headphones 800

Wireless version JL5.0; Support range 2.402-2.480GHz; Connection distance 10M; Speaker model 4083; Speaker size 40MM; Impedance 32 ohms; Sensitivity 118+/-3dB@1KHz; Frequency response 20-20KHz; Rechargeable lithium battery 3.7V/500mAh; Use time: 10h; Function: adjust volume, switch songs, call answering, call rejection, hang up call, Wireless play, hands-free call, phone replay, Wireless connection, voice prompt, power display, FM, TF, EQ, pure English broadcast, 5 Minute automatic shutdown. Complies with FCC, Prop 65. Product Size: 8.66" L x 5.51" W x 2.76" H.