2.Adapter Power SupplyWork for 15V dc Devices at Max 2 Ampere 30Watt, Such as 15V 2000mA, 1900mA, 1800mA, 1700mA, 1600mA, 1500mA, 1400mA, 1300mA, 1200mA, 1100mA, 15 Volt 2A, 1.9A, 1.8A, 1.7A, 1.6A, 1.5A, 1.4A, 1.3A, 1.2A, 1.1A4.Interchangeable Multi JacksSelected 4 pcs various popular connectors which can be used for most of your 15V DC devices, DC Jack Dimensions: 5.5*2.5 (5.5*2.1 compatible), 6.5*4.4, 6.3*3.0, 4.8*1.7, 4.0*1.7, with pin insidem. ( Please DOUBLE CONFIRM the DC jack dimensions to ensure the compatibility the voltage is 15V before purchase !!! )1.Compatible with for Theragun Mini Theragun Prime Theragun Elite, Theragun G4 PRO Theragun G3, G3PRO, G3 PRO, Fluke Network DTX-1800 DTX-1200 DSP-4000 DSP-4100 DSP-4300 Analyzer,Creative Sound Blaster Roar 2, Creative Sound Blaster Roar 1, Creative Sound Blaster Roar Travel Series, Creative iRoar Go, Creative Sound Blaster Roar Pro Bluetooth Speakers.5.The ac power supply adapter charger is sold under strict quality control. Please rest assured to purchase. If there is any quality problem, If this cable is not suitable for you, please contact us and we will recommend the correct cable to you. If there is any quality problem and we will refund for you.3.Safely Device15V 2A AC adapter power supply charger With Multi-Protect safety system, Full protection while charging your device,Safety protection functions supported:Over temperature protection,Short circuit protection,Over voltage protection,Over current protection,Over load protection. DC Jack Polarity: Inner positive(+), Outer negative(-)