CoolBox Cool Stone 15. Driver diameter: 2.24" (5.7 cm). RMS rated power: 10 W, Impedance: 4 Ω, Signal-to-Noise Ratio (SNR): 65 dB. Connectivity technology: Wired & Wireless, Bluetooth range: 393.7" (10 m), USB connector type: Micro-USB B. Product type: Stereo portable speaker, Product color: Black. Recommended usage: Mobile phone / Smartphone, Compatible memory cards: MicroSD (TransFlash)

Number of speakers	1
Driver diameter	2.24" (5.7 cm)
RMS rated power	10 W
Impedance	4 Ω
Signal-to-Noise Ratio (SNR)	65 dB
Connectivity technology	Wired & Wireless
Wi-Fi	No
Bluetooth	Yes
3.5 mm connector	Yes
AUX in	Yes
Bluetooth version	4.2
Bluetooth range	393.7" (10 m)
USB connectivity	Yes
USB connector type	Micro-USB B
USB charging port	Yes
Product type	Stereo portable speaker
Product color	Black
Recommended usage	Mobile phone / Smartphone
Card reader integrated	Yes
Built-in microphone	No
FM radio	Yes
Compatible memory cards	MicroSD (TransFlash)
Hands-free mode	Yes
Battery type	Built-in battery
Battery capacity	1800 mAh
Battery voltage	3.7 V
Battery life (max)	6 h
Battery recharge time	3 h
DC input voltage	5 V
Weight	26.8 oz (760 g)
Width	3.54" (90 mm)
Depth	3.54" (90 mm)
Height	8.27" (210 mm)
Quantity per pack	1 pc(s)
Cables included	USB
Manual	Yes