HAVIT OWS902 OPEN-EAR BLUETOOTH EARPHONE

Master control chip: AD6973D4
Bluetooth Name: HAVIT OWS902
Bluetooth Version: Bluetooth V5.3+BR+EDR+BL
Bluetooth Power: DC 3.2-4.2V/5.5MW
Bluetooth Frequency: 2.4GHZ-2.48GHZ ISM Band
Waterproof grade:: None
Charging interface type : TYPE-C
Chargging Case Battery: 3.7V/400mAh
Earbuds Battery: 3.7V/50mAh
Speaker: 10*12mm 7Ω 50mW
Frequency response range: 20Hz_20Khz
Sensitivity: Input Power 50mW Sine Wave Input 4.2V， Must Be Normal
Distortion: Less Than 3 % at Rated Power Input 1mW 1000Hz
Balance: 1800±10％ Guass (Surface)
Rated output power: Rated Power Input 50mW
Music Playtime: 6H（60% Vol）
Call time: 4H
Standby time: 200H
Charge time: 2H
Bluetooth Connection Distance: 10m (Without Obstacles)
impedance: 7Ω ±15％ at 1000Hz
Static Power: 12uA
Maximum operational power consumption: 50MW