Transmission distance: 10M 2. Ultra-long battery life/headphone audio combo mode/memory shrinkage design 5. Quadruple speed increase, low-latency sound quality with more fidelity, ultra-low power consumption Standby time: 20 hours 1PC headset Internal inclusion： 1PC charging line 3. Surging sound quality, bass increases the depth of the sound, and the of presence and space presents a surround three- effect, which brings you to feel the of the scene Talk time: 8 hours Battery capacity: polymer lithium battery 150mA 1. The sound quality is clear, the position of the sound is clear, the position of the is clear, the sound and picture synchronization is smooth, no lag or delay 4. Create high-fidelity H|F sound effects to reduce the loss in music transmission, with strong bass and transparent treble Listening time: 8 hours Semi in Ear Wireless Earbuds Plnhw510