Clip-on Wireless Bluetooth Earphone With Digital Charging Compartment(Black) Type-Gaming Accessories

Clip-on Wireless Bluetooth Earphone With Digital Charging Compartment(Black) Type-Gaming Accessories1. Bluetooth chip: Bluetooth 5656c2 2. Bluetooth version: V5. 3 3. Transmission distance: about 10m 4. Battery capacity: 40mAh for headset, 350mAh for charging compartment. 5. Charging time: about 1h 6. Use time: about 6h 7. Frequency: 20Hz 20KHz 8. Impedance: 32 ohm 9. Sensitivity: 85dB mW 10. Waterproof rating: IPX 5 11. Material: PC+ABS 12. Charging compartment size: about 6 x 4 x 3. 2cm 13. Weight: about 40. 5g Features: 1. Not into the ear

US version computer keyboard for Samsung NP-370R4E 450R4V NP470R4E 530U4E 450R4Q 450R4E

and it is easy to stick without warping

General Compatible with Lenovo:  E40

No external power required

Does not affect the charging of the stylus

can charge electronic products and insert USB flash drive for music playback at the same time

Ergonomic Lock System: The storage box lock is firm when closed

It is strong and durable

some noise reduction

the Weight 38 g

165HZ high refresh rate

Light Slave Trigger: Provided (S1 and S2)