B39 Wireless Bluetooth V5.0 Headset (Black) Type-Micro Film Quickly add up to 6

Quickly add up to 6 displays to as desktop or notebook with minimal configuration and without an additional graphics card

can also be used as a TV stereo

40HQ: 957 cartons * 80 pcs = 76560 pcs

breathe freely without chewing the breathing tube

High quality speaker Motherboard Adhesive Sticker for iPhone 7 Plus

B39 Wireless Bluetooth V5.0 Headset (Black) Type-Micro Film Quickly add up to 61. Drive: 40mm 2. Impedance: 32 OHM 3. Bluetooth version: V5. 0 4. Bluetooth frequency band: 2. 4GHz 5. Power level: CLASS II 6. Bluetooth distance: barrier free 10 meters 7. Frequency response: 20 20000Hz 8. With A2DP AVRCP high quality stereo audio transmission and remote control protocol 9. Charging time is about 1 hour 10. Talk time is about 10 12 hours 11. Music time is about 2 3 hours 12. Standby time is about 120 hours 13. Battery capacity