Car Stereo Speaker Multifunction Handsfree Talking for 550mAh Battery

Electric capacity: 550mAh. 550 mAh battery, 500 hours long standby. Speaker: 4Ω2W, high-definition stereo sound. 1 Piece Wireless Bluetooth Car Speaker. 550 mAh battery, 500 hours long standby. We'd like to settle any problem in a friendly manner.

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