1、MAIN PURPOSE: Bluetooth speaker controller kit, which can be installed on the home massage chair, electric sofa, table and chair panel, etc. 2、GOOD PERFORMANCE: The tweeter has good inventory system, low distortion and clear and soft tweeters, giving you an excellent music experience. 3、EASY CONNECTION: Equipped with 2 speakers, Bluetooth receiver and extension cables, the speaker control system is easy to connect. 4、WORKING RANGE: Adopts 2.4G RF frequency, bidirectional code pairing, and the wireless distance is up to 30 meters, convenient and practical. 5、SAFE OPERATION: With overcurrent, short circuit and overheating protection, the Bluetooth speaker controller can be operated safely and reliably. Item Type: Bluetooth Speaker Controller RF Frequency: 2.4G Wireless Distance: Approx. 30 meter / 98.4ft Code Pairing Method: Bidirectional Code Pairing Output Power: DC 29V 1.8A (up to 5A instantly) Standby Power Consumption: <1W (with wireless receiving board) Protection Mode: Overcurrent protection, short circuit protection, overheating protection Material: ABS Weight: Approx. 1022g / 36oz 2 x Speakers 2 x Speaker Housing 2 x Extension Cables 1 x Bluetooth Receiver 1 x Power Supply 1 x Power Cord 10 x Screws