SN-537K 5.3 Bluetooth Live Earphones Built-In Sound Card Wireless Receiver Sports Earphones(White) Filter-Amplifier Size: 126x50x35mm

Size: 126x50x35mm

Weight: about 130G

Trackball for mouse like experience

Carton Size 56cm * 34cm * 28cm / 22

40HQ: 1719 cartons * 180 pcs = 309420 pcs

SN-537K 5.3 Bluetooth Live Earphones Built-In Sound Card Wireless Receiver Sports Earphones(White) Filter-Amplifier Size: 126x50x35mm1. Bluetooth version: 5. 0 + EDR 2. Transmission distance: about 10m 3. Battery capacity: 800mAh 4. Charging input: 5V 1A 5. Charging port: Type C USB C 6. Playback time: about 10 12h 7. Wireless frequency: 2. 4GHZ 8. Remote control battery: AA dry battery (not included) x 2 9. Weight: about 52g Features: 1. Wireless sound card, the whole wireless operation, with wireless remote control 2. Built in sound card, 20 kinds of electric tone base 3. retain