Ultra-Mini Bluetooth Speaker with Series Connection, Heavy Bass, Perfect for Parties, Climbing, and Office Use

This ultra-compact Bluetooth speaker offers impressive sound quality with heavy bass, making it ideal for parties, climbing adventures, and office settings. Featuring the advanced Bluetooth 5.3 technology, it ensures a stable and seamless wireless connection. Despite its small size, this speaker can be easily paired with multiple units for a more immersive audio experience thanks to its series connection capability. Though not waterproof, its robust construction and dynamic sound output make it a versatile choice for various indoor and outdoor activities. Frequency Range: 20Hz-20KHz Signal-to-Noise Ratio: ≥60dB Number of speakers: 1 Effective distance: 10M Box material: Metal Connection: Bluetooth connection Power supply mode: USB Waterproof level: Not waterproof Bluetooth version: 5.3 Built-in battery capacity: 100mAh-300mAh (inclusive) Rated power: 5 Rated voltage: 5 Is there a built-in battery?: Built-in battery Manufacture country: China Instructions included: No

bluetoothVersion: 5.3