The new Fit pro Horn KIM in-ear 5.0 stereoscopic sports binaural wireless Bluetooth headset $ 11.50 Color: black, white, gray, purple, pink, yellow, blue Bluetooth protocol: 5.0 Transmission range: 10 meters Waterproof performance: IPX4 Whether monoclave and both ears: bilateral stereo Battery life: 4-8 hours Application: Earbuds