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      Home > Products > Audio > ROMAN R551S Wireless Bluetooth 4.1 Noise Cancellation Mono Headset
      ROMAN R551S Wireless Bluetooth 4.1 Noise Cancellation Mono Headset
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      ROMAN R551S Wireless Bluetooth 4.1 Noise Cancellation Mono Headset

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      Item details
      SKU: ROMAN-R551S
      Weight: 170 grams
      Stock: Out of stock

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      • [Advanced Bluetooth 4.1 Technology] A2DP/ AVRCP support, ensure transmitting strong signal in highquality and high speed.
      • Bluetooth 4.1 with HD sound for high-fidelity music and clear speech
      • [Echo Cancellation & Noise Suppression] Noise Cancellation technology reduces ambient noises and enablesclearer sound from microphone
      • [Strong Wireless Signal & Multipoint Technology] Wireless audio range of 33ft
      • Can simultaneously connect two smarts phone. So you can seamlessly switch between your business andpersonal phones.
      • [Convenient to use] Easy control of music and supports Voice Prompt
      • It also supports hands-free with high-grade microphone, thoroughly setting free your hands from answeringthe call during exercise.
      • [Long Standby Time & Fully Compatibility]Lasts up to 6 hours of Talking Time / 5 hours of Music Playing
      • Time and 180 hours of Standby Time per charge cycle.
      • Built-in rechargeable Lithium battery
      • Compatible with most Bluetooth-enabled devices
      • Local Supplier Warranty: 3 months for manufacturing defects only
      • What’s in the box: 1 x R551S Bluetooth Headset 1 x USB Cable1 x Ear Hook 1 x English User Manual

      Music is a super companion for humans, which can make you relaxing and enjoy colorful life. R551S Stereo Bluetooth Headphone is specially designed for music lovers, which is characterized by Advanced Bluetooth 4.1 technology, Built-in high-grade microphone & speaker, hands-free function and lightweight design. R551S Headphone will offer you wonderful music, you can greatly enjoy your favorite Musician, a super companion for you during daily life and travel.


      • Model Number: R551S
      • Main Chip Type: ISSC2008
      • Bluetooth Version: Bluetooth 4.1 (Bluetooth Chip: ISSC2008); Class 2(-64dbm ~ 4dbm).
      • ISM Band: 2.402 ~ 2.480GHZ
      • Supports HSP, HFP, A2DP, AVRCP protocol.
      • Operation range: Up to 10 meters Frequency Response: 50 ~ 10Khz
      • Rated Output Power: 3m
      • Max. Output Power: 5mW
      • Speaker Diameter(Outside Diameter): 10mm * 5.5mm.
      • Impedance: 16? + 15%
      • Sensitivity: 110db± 3db
      • Battery: High-quality 3.7V / 100mAh Rechargeable Li-ion battery
      • Music Playing Time: About 5 hours (The Music Volume will affect the time)
      • Talk Time: About 6 hours
      • Standby Time: 180 hours
      • Charge Time: About 2 hours
      • Charge Port: Micro USB
      • Charge Voltage: 5V
      • Working Voltage: 3.7V
      • The Cable length: 70cm
      • Color: Black
      • Main Item Size: 6.0 * 2.5 * 1.4cm / 0.98 * 1.57 * 0.55in
      • Main Item Weight: 8g / 0.28oz
      • Package size: 18.2 * 7.0 * 3.2cm / 7.16 * 2.75 * 1.25 in
      • Package weight: 113g / 3.99o

      Delivery Info

      For Ready Stock

      Delivery takes 2-3 Working Days

      Payment Methods

      Online Bank Transfer