Material: ABS engineering plastic + silicone 
built-in battery: 3.7V-4.2V 400mAh 
charging current: 5V0.8A (max) about 1.5 hours full 
charging mode: Micro-USB interface 5V1A 
output power: 
≤ 2W battery life: more than 6 hours 
Bluetooth version : 5.0 

*T&C: This is an estimated price and may vary depend on order quantity. Please call/ enquire for final costing and best price.