RK 30 Neckband – SEO Extended Product Specification

The RK 30 Neckband is a wireless Bluetooth neckband earphone designed for high-performance audio, long battery life, and smart voice modulation features. It is widely used for music, calling, gaming communication, and online chatting.

📌 Product Overview

Product Name: RK 30 Wireless Neckband

Product Type: Bluetooth Neckband Earphone

Design: Ergonomic neck-hanging flexible band

Color: Black (most common variant)

Usage: Music, Calls, Gaming, Voice Chat, Online Meetings

🔊 Audio & Sound Features

High-definition stereo sound output
Deep bass optimized drivers for enhanced music experience
Noise reduction design for clear calling experience
Low latency audio for gaming & video streaming
Built-in microphone for hands-free calling

📡 Connectivity & Bluetooth

Bluetooth Version: 5.0 / 5.3 / 5.4 (variant dependent)

Wireless Range: Up to 10 meters

Auto Pairing: Supported with last device memory

Compatibility: Android, iOS, Windows devices

🔋 Battery & Charging

Battery Capacity: 200mAh – 300mAh (variant dependent)

Music Playback Time: Up to 30–35 hours

Talk Time: Up to 20–25 hours

Standby Time: 150–200+ hours

Charging Time: 1.5 – 2 hours

Charging Port: Type-C fast charging

🎤 Special Features

Voice changer / voice modulation effects (5 modes in some variants)
Magnetic earbuds for easy wearing and storage
On-device controls for volume, calls, and music
Lightweight sweat-resistant design
Flexible silicone neckband for long-term comfort

📊 Technical Specifications

Driver Size: 10mm dynamic drivers

Impedance: 16 Ohm

Frequency Range: 20Hz – 20KHz

Sensitivity: ~102dB

Microphone Sensitivity: High clarity built-in mic

Noise Isolation: Passive noise reduction design

⚙️ Controls & Functionality

Multi-function button (play/pause/call control)
Volume up/down controls
Voice assistant support (Google/Siri depending on device)
Call answer/reject functionality

📦 Package Includes

1 × RK 30 Neckband
1 × USB Type-C Charging Cable
1 × User Manual

🎯 SEO Keywords (for ranking)

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