
LF-18 Smart Wireless Bone Conduction Bluetooth Headset Headphones
LF-18 Smart Wireless Bone Conduction Bluetooth Headset Headphones BONE CONDUCTION HEADPHONES Specification Model LF-18 Speaker Type Bone conduction technology speaker, 1w dual speaker Battery 260mAh Polymer battery Mic Anti‐interference microphones, ‐42DB Effective range 10m (33feets) Mono/Stereo Stereo Blue tooth Version CSR8635)4.1 Weight 60g Bluetooth Class(1/II) II BQB included(Y/N): No Bluetooth Profile a2dp/HFP,HSP,AVRCP,GAVDP,AVDTP Receiving Sensitivity 88dBm Impedance 8Ω Frequency range 20‐20KHz Charging MICRO USB port and need 2h TF card No System language English ‐ Prompt tone is English Indicator lightStatus Red light flashing rapidly: Lack of Power Red Light on: charging Blue Light on: full charged Blue and red lights flashing: Matching Blue light double flash slowly: fail to match, maybe the device is power off, or the distance of both is over 10m(30feets) Blue light flash slowly: Matched/dialing/playing audio. Blue light flashing ra