- Matriaux in Nylon EMS TR90 SUBRAIN - Bluetooth 4.2 - Buttons to: Play, break, jump, volume and accept a call - Codec: SBC, AAC - Omnidirectional Intngr microphone for tlphonic calls - range of 300 Hz microphone frequencies - 5 kHz - Battery: 360 mAh - door up to 10 mtres - USB-C port - Reading hard: up to 20 hours - Charging time: 2 hours - Bounds with any cble of the TMA-2 modular range - USB-C charging cble included