-Stable Qi wireless charging -Tap Control like Original -Enhanced bass/audio quality - Separate use Left earphone and Right -Binaural calls -Previous song, Next song -Voice assistant 9. Music time 2.5-4 hours -Proximity Sensor Support
drive 15mm Impedance 32 ohms Bluetooth version Bluetooth v5.0 + EDR Power level Level II Output power 30 MW Bluetooth distance 15 m barrier Frequency response 20Hz 20000 Working voltage range 3.0 V-4.2 V. Microphone sensitivity -42dB With A2DP / AVRCP high quality stereo audio transmission and remote control protocol Powerful noise cancellation circuit (active noise reduction) This package includes: 2x Bluetooth mini headphones (left and right headphones) 1x Loading box 1x USB charging cable 1x User manual