| Product type | TWS pro 4 |
| Blue tooth | V 5.0 |
| Bluetooth chip and model | Bluetrum |
| Bluetooth protocol | HFP, HSP, A2DP, AVRCP |
| Horn size | Ф 6mm |
| Horn impedance | 32 Ω |
| Rated power of horn | 3MW |
| Frequency response range | 50 hz-20 kHz |
| Earphone sensitivity | 98dB |
| Maximum sound pressure level of earphone | ≥ 104db |
| Battery capacity | 70MAH/500MAH |
| playing time | 4H |
| Charging port | USB |
Packing for carton:
Selling Units: Single item
Single package size: 16X7.7X3.6 cm
Single gross weight: 0.115 kg
FQAQ:What can I get the price?
A:We usually quote within 24 hours after we get your inquiry. If you are very urgent to get the price, please tell us in youremail so that we will regard you inquiry priority.
Q:How can I get the sample to check your quality?
A:After price confirmation, you can require for samples to check our product's quality. We will provide you sample for free as long as you afford the express freight.
Q:What is your term of delivery?
A:We accept EXW, FOB Shenzhen or FOB Guangzhou. You can choose the one which is the most convenient or cost effective for you.
Q:What about the lead time for the mass production?
A:Honestly, it depends on the order quantity and the season you place the order.
Q. What are the Payment terms?
A:1. We accept Paypal, Western Union, and Bank Transfer.
2. 100% payment for little value bill; 30% deposit and 70% before shipping for big value bill.