BM62 6400mAh for Xiaomi Mi Pad 3 Li-Polymer Battery, For Xiaomi Mi Pad 31. Best alternative to primary battery, standby time and call time are equal. 2. Lithium ion batteries provide excellent continuous power supply for your equipment 3. Good quality and long service life 4. Compared with nickel cadmium batteries, lithium ion batteries have no memory effect. 5. If you do not use batteries for a long time, please keep them in a cool and dry place and charge them every three months. Specification: Package Weight One

Microphone sensitivity: -42+/-3DB

Matching instructions:

Buckle shaft: 150 degrees

No need APP and Bluetooth required

farming or outdoor adventures

Uses: suitable for all automobiles

Kit list: 3 input 3 output power amplifier and sound switcher loudspeaker switch distributor x 1

General Compatible with Audi: A8

Battery Capacity 2250mAh

Multiple card slots

message reminders

Breathing training