New lug mini bluetooth smart wireless stereo headphones 4.1 bluetooth headphones X16

Product description:

1. CSR bluetooth 4.1
2. One-button cycle volume adjustment;
3. Up and down selection;
4. Support switching between Chinese and English;
5. Call number broadcast; 
6. IOS system power display; 
7. Incoming/rejected calls;
8. Last digit replay;
9. Hd voice quality. 

• Version: bluetooth 4.1+EDR
• Solution: the UK CSR solution
•  RF transmission power :90DB (more stable transmission)
• Signal transmission channel: Cassl 2
• Wearing method: in-ear earring
• Size: L59 * * H10MM W15
• Weight: 7.1 g
• Transmission sensitivity: -42db back room high-end transmitter
• Maximum transmission range :10 m
• Transmission rate :24MBPS
• Extremely long talk time: 5.5h  Listening time: 4.5h
• Charging time :2H  Standby time: 180H
• Welcome e - business customers, channels to inquire.