Headphones Headsets ROCK D400 Bluetooth 5.0 Ear-hook Design Wireless Bluetooth Earphone(Dark Gray)
ROCK D400 Bluetooth 5.0 Ear-hook Design Wireless Bluetooth Earphone(Dark Gray)1. Bluetooth version: 5.0 2. Working distance: about 10m 3. Music time: about 7 hrs 4. Talk time: about 6.5 hrs 5. Standby time: about 135 hrs 6. Charging time: about 2 hrs 7. Battery capacity: 110mAh 8. Material: ABS+silicone 9. Size: 70*47*19mm 10. Weight: about 11g 11. In line with ergonomic design, comfortable to wear
ROCK D400 Bluetooth 5.0 Ear-hook Design Wireless Bluetooth Earphone(Dark Gray)1. Bluetooth version: 5.0 2. Working distance: about 10m 3. Music time: about 7 hrs 4. Talk time: about 6.5 hrs 5. Standby time: about 135 hrs 6. Charging time: about 2 hrs 7. Battery capacity: 110mAh 8. Material: ABS+silicone 9. Size: 70*47*19mm 10. Weight: about 11g 11. In line with ergonomic design, comfortable to wear