ROCK Space O2 HiFi Bluetooth 5.0 Wireless Headset with Mic, Support TF Card(White)1. Bluetooth version: 5. 0 2. Battery capacity: 400mAh 3. Material: ABS+Aluminum Alloy+PU 4. Charging time: about 2 hours 5. Music time: about 15 hours 6. Mic dirctivity: Omnidirectional 7. Weight: 187g 8. Comply with ergonomic design and wear comfortably Specification: Package Weight One Package Weight 1. 15kgs 2. 54lb One Package Size 20. 5cm * 19cm * 8. 5cm 8. 07inch * 7. 48inch * 3. 35inch Qty per Carton 20 Carton Weight 22. 50kgs 49. 60lb Carton

4-inch IPS high-definition color screen with high-definition eye protection

cage 304 stainless steel

Carton Weight 24

USB Playback: Insert a USB drive with your music files into the USB port and the speaker will automatically start playing

Scratch resistant

sound card

Protection function: overload protection function

Interface: USB2

simply charge with the cable (Package Included) and 2 hours for a full charge

Plug the appliance into a power source

dust and garbage from corners and sides

network connection and speed