Bluetooth Headphones Headset Plug In Cable Bluetooth Heavy Intelligent Noise Reduction HIFI Speaker Super Long Life Inductive 0 Delay Product parameters： Product Name:Bluetooth Headphones Product color: Blue Material:ABS Package size:25.5x20.5x5cm/8.2x5.8x1.1in Gross weight:270g/0.59lbs Frequency range: 20Hz-20KHz Working range: 10M Headset talk time: about 20 hours Earphone listening time: about 20 hours Standby time: about 400hours Waterproofing level:IPX4 bluetooth protocol:5.2 Product description: The new Bluetooth 5.2 is continuously stuck, the transmission signal penetration is strong, the transmission is faster and more stable, and thehigh-quality and treble sound source signal is guaranteed. High-energy and large-capacity battery, listening to music for more than a day for a long, supporting continuous music playback for about 20 hours, and enjoying life in standby for 400 hours. The fine structure makes the sound accelerated the heartbeat, the HIFI configuration, the vocational stage sound tuner tunes, and the test achieves a more shocking audio-visual stereo surround sound effect. Delay-, exclusive game mode, the game has almost no delay, the control and the sound are precisely matched, the audio and video are synchronized, and you can seize the game opportunity and Pre-empt. Comfortable to wear, can not be thrown off when you are exercising, in-ear design, fits different ear shapes and does not fall off during strenuous exercise. product function,HIFI, long battery life, intelligent noise reduction, 0 delay, HD call, three connection modes. Package Included: 1xBluetooth Headphones 1xUSB Charging Line 1xSpecification