You can have a Silent Box rental starting from 70,- (including VAT), which includes 10 headphones and 1 transmitter. Delivery and return shipment is free for all of Belgium, Germany and the Netherlands. De sets are easy to setup with for example your smartphone (Spotify) or a professional (DJ-) mixing console.
M30 - TWS Earphone JL Chipset Battery: 35/300mAh Playtime: 4 - 5Hr. MOQ: 1000pcs. Exw: Shenzhen, China