TWS-X15 True Wireless Stereo Gaming earbuds

Product type X15
Blue tooth V 5.0
Bluetooth chip and model JL6983
Bluetooth protocol HFP, HSP, A2DP, AVRCP
Horn size: 10mm
Horn impedance 32
Rated power of horn 3MW
Frequency response range 50 hz-20 kHz
Earphone sensitivity 98dB
Maximum sound pressure level of earphone ? 104db
Battery capacity 30MAH/200MAH
playing time 4H
Charging port Type-C