B.DUCK K19 TWS Wireless Earphone Bluetooth Earphone Air Conduction Headphones BT 5.0 Built-in Mic Noise Cancelling 130mAh 10hrs Music Play Sports Headset

Lenovo. Brand: B. DUCK. Model: K19. Bluetooth version: BT5.0. Transmission distance: 10m. Standby time: 100H. Product size 14210046mm. Charging box capacity: 130mAh. Product process Injection molding. B. DUCK K19 TWS Wireless Earphone Bluetooth Earphone air conduction headphones BT 5.0 Built-in Mic Noise Cancelling 130mAh 10hrs Music Play Sports Headset. Broad Compatibility: 1. Compatible with iPhone and Android smartphones, and support Bluetooth devices such as smartphones, iPads, and laptops. 2. Compatible with iPhone/Samsung/Huawei/OPPO/VIVO/Xiaomi smartphones. Note: If the earphones are not paired, insert both earphones into the charging case until the LEDs on both earphones blink, then remove them for use. Both headsets will automatically power on and pair automatically