1. Material: plastic2. Size: 30*17*6mm, Weight: 2.7g3. Bluetooth version: 5.1 (support Bluetooth 4.0, 3.0 downwards)4. Strong compatibility, can connect multiple Bluetooth devices at the same time..
1. Material: ABS2. Size: L67×W16×H28mm; Net weight: 8g3. Bluetooth 5.0; Chip: JLAC6963A4. Battery capacity: 150mAh, charging for about 1 hour5. Talk/music time: 10 hours6. Standby: 200 hours7. Support Chinese and English prompt tone: double-click the multi-function button when not paired..