ARCHEER A320 Bamboo Bluetooth Speaker Portable Sub-woofer HIFI Stereo Audio Power Technical Parameters:   Output power: 2*5Watts+15Watts (TDH≤10)  Signal to noise ratio: Bass≥75db; Treble≥80db  Frequency effects: 80Hz-20 KHz  Rated voltage: 7.4V Battery Capacity: 5200mAh Bluetooth Version: 4.0    Feature:   1.Elegant Appearance: Premium furniture grade bamboo-made on front baffle & rear trim, rewind fabric covering. 2.Double Connection Options: Play your euphonious tunes via Bluetooth or included 3.5 mm audio cable. 3.Excellent Combination: As a new generation of HIFI home stereo, sound quality values the most. Built with 2 clear tweeters and 1 powerful sub-woofer to pump out 14 Watts of powerful audio performance. 4.Gorgeous Interior Ornament: Fits for your dining table, nightstand, kitchen table, office desk, and classroom as an exquisite indoor decoration. 5.Satisfaction Guaranteed: Archeer promise to provide our customers with 18 months warranty from the date of purchase; 40 days money back, No questions asked.   Package includes: 1 x Manual 1 x 3.5mm Jack Audio Cable 1 x ARCHEER A320 Bamboo Bluetooth Speaker