M06 Bluetooth 5.3 Audio Transmitter Lavalier Receiver for Car AUX Headphone Adapter Easily connects to devices with a 3.5mm audio jack, enabling a seamless transition from wired to wireless audio Large capacity lithium battery, provides long-lasting battery life for extended use without frequent recharging Bluetooth 5.3 chip, ensures a stable connection with a range of up to 10 meters Supports playback from an external memory card, adding versatility to your audio experience Convenient collar clip design allows for hands-free use, perfect for on-the-go listening Features a digital display to monitor battery level, ensuring you're always aware of your device's charge Specifications: Battery capacity: 400mAh Interface: 3.5mm audio interface Bluetooth: V5.3 Material: ABS Transmission distance: up to 10 meters Charging time: 2H Play time: about 30H Product functions: receiving/transmitting + calling + memory card expansion Product size: 69*29*21mm Package included: 1 x Bluetooth Transmitter/Receiver 1 x 3.5mm Audio Cable 1 x Type-C Cable 1 x English and Chinese User Manual Other items not include