Wireless Bluetooth headset, intelligent noise reduction, in ear sports game, e-sports headset, super long Specification: Product name:Bluetooth Earbuds Material: ABS Product color: Black Gross weight: 123g/0.28lbs Product size:2.76x 1.57x0.79inch Bluetooth version: 5.0 +EDR Audio signal to noise ratio:>100dB Wireless protocol: A2DP/Headset/Handfree Communication distance:<10m Support agreement:HFP1.7、1.2/A2DP1.3/AVRCP1.6\SPP1.2&PBAP1.2/BDR/BLE Features: Combining EQ digital algorithm to achieve two sound effect modes, music and game mode change Low latency, audio screen synchronization, game and movie without delay, wireless where for daily entertainment In ear ergonomic design, no ear adjustment, no ear bulge, no pain long wear, comfortable of energy, uninterrupted game music, let you enjoy without worry HIFI loud sound quality, rigid, soft, and thin composite diaphragm Package Include: 2x earphones 4x earcaps 1x charging boxes 1x charging cables 1x instructions