2020RJ9 cost-effective headset

Features
Cost-effective monaural headset for office, contact centers, IP-phone
Ergonomic design, Over-the-head wearing style
60mm large size foam ear cushion for all days comfortable
Adjustable metal headband
Omnidirectional microphone
Flex microphone boom for 330 degree rotation
Come with standard RJ9 connector directly
Certificates: CE FCC RoHS
Warranty: 18 Months

Application for below Phones:
Aastra:
2465,2564, 480e,480i,,53i,55i,57i,57iCT,6753i,6755i,6757i, 9112i,9133i,9143i,9480i
M4000, M4020, M5208, M5209, M5216, M5317, M7900, M8001, M8003, M9009, M9516
Powertouch 480/480e/480i Telephones
Alcatel-Lucent: 4004, 4020, 4022, 4035, 4037 Telephones
AltiGen: 500,510,600,705,710,720
Ascom: Berkshire 200, 400, 600, 800, SD30, MR30, MR51, MR61
Avaya: 1408, 1416, 2410, 2420, 4610, 4620, 4621, 4622, 4625, 4630, 5410, 5420, 5610, 5620, 5621, 5625, 9404, 9406, 9408, 9504, 9508
Cable & Wireless: CWB 100H, CWB 200H, CWB 500, CWB 600
Comdial: 8312 8412
Commander NT40: Commander NT Economy, Standard, Advantage, Principle
Digium：D40, D50, D70
Ericsson：Dialogue 4147, Dialogue 4186, MD110
ESI: ESI-48-Key IP Feature Phone and 48-Key Digital Feature Phones
General Electric: GE Telephone Model 2-9451, 2-9490
Gigaset：DE310, DE410, DE700IP, DE900IP
Hybrex: DK1-21, DK2-21, DK3-21
Intertel: 8520, 8560, 8600, 8620, 8660, 8662, 8690
MITEL: Superset 4000 Series, Models 4015, 4025, 4125, 4150
Mitel IP Series, Models 5000 IP, 5010, 5020, 5020i, 5040i, 5050, 5055 IP, 5055 SIP, 5140, 5201, 5207 IP, 5210 IP, 5212, 5215, 5220, 5224, 5230, 5235, 5240, 5550 IP
NEC:
Electra Elite DTerm, Series E, Models DTU-8, DTU-8D, DTU-16, DTU-16D, DTU-32, DTU-32D, DPT-8, DPT-8D, DPT-16, DPT-16D, DPT-32, DPT-32D
DTH-8, DTH-8D, DTH-16, DTH-16D, DTH-32, DTH-32D
DT310, DT330, DT700, DT730, DT750 IP Phones
DSX, DTL, DTP, DTR, DTU SERIES PHONES
Nortel Networks (Northern Telecom):
Meridian PBX: M3903, M3904, M3905, M2216, M2008, M2616
Meridian Norstar: M7208, M7310, M7324, T7208, T7316, T7316E, M7900 M9516 M9009
Nortel 3903, 3904, 3905
Meridian Option M3110, 3310, 3820
BT Converse 220, 225, 300, 320, 325, 420, 425, 1100, 1200, 1300, 1400, Paragon 450
I2002, i2004 (not compatible with i2400 phase II and i2004 POE phones)
1210, 1220,1230,2465,2564
NT8B20, NT8B30, NT8B40, NT8B50, NTZK23AA, AB: (M2216):ACDI
Orchid: DBT 2000, DBT 3000
Packet8 Phones: 6753i, 6755i, 6757i
Polycom: SoundPoint 300, 301, 335, 430, 450, 500 (rev. E or later), 501, 550, 600, 601, 650, 670
Safe com: SDSIP-500IP SIP Phones
Shore Tel: IP100, IP212K, IP230, IP265, IP530, IP560, IP560G, IP565
Siemens/ROLM:
Optiset E Series with CA or HA option modules
Optiset E Advance
Optiset Advance Plus+ Headset Adapter
Comfort 300E+ Headset Adapter
Comfort F300E
Optipoint 410 Standard & Advance
Optipoint 420 Standard & Advance
Optipoint 500 Basic, Standard, Standard SL, & Advance& office
Optipoint 600, Optipoint 600 Office
OpenStage 40, 40TDM,60,60TDM,80,80TDM Phones
ROLM Phones with EHO option Module 612,624
SNOM: 300
Spring: Protégé models: 475716 475718
TalkSwitch Phones: TS600
Toshiba: Strata CIX, DP5022-SD, DP5023-SD, DP5018-S, DP5000, DKT 3001, 3010S, 3020S, 3020SD, 3014SDL models
Uniden: 420 and 450

Instructions
The headset connect directly to the telephone's headset jack. No driver, amplifier or dialer is needed to operate.
To use the headset, insert the connector into the headset port of a compatible telephone.
Adjust the length of the headband and turn the earpieces slightly until the headset fits comfortably.
Mono Headset with only one earpiece, position the T-bar above your ear.
To optimize the position of the microphone, adjust the flexible microphone boom in the right direction so the microphone is close to the corner of your mouth.
Attach the clothing clip at a comfortable level to keep the headset properly positioned and free form the cord's weight.

　

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