Wireless earbuds that can be customised with your logo to Indigoeli Wireless Earbuds up on the control panel for optimal exposure of your brand. The earbuds use BT 4. 2 For smooth connection up to 10 metres. The built in 55 mAh battery allows you to play music for up to 3 hours on 1 charge and re charge is done in 1. 5 Hours. With microphone/pick up function to answer calls.