Low power: Red (flashing)
Charging: Red (solid), Power full: Blue (solid)
Pairing: Blue & Red (flashing)
Bluetooth connected: Blue (slow flash)
Bluetooth unpaired: Blue (rapid flash)

Profile: A2DP, AVRCP, HSP, HFP
Frequency: 2402MHz-2480MHz
Frequency response: 20Hz～20KHz
Sound press level: 110dB±3dB
Microphone: Φ4.0*1.5mm, -42±3dB

550x30x14mm (included cable)

 15g