Nokia E3101 Wireless BT Earphones Mini Semi in ear Sports Music Earbuds ENC Environmental Noise Cancellation Black

Features:
Adopt upgraded BT5.1 chip, more stable and faster connection, stronger -interference ability, low delay.
The 13mm moving coil unit delivers rich treble, crisp mediant and clear, balanced bass that makes you feel like you're at a live concert.
The E3101 is designed to give you the to switch between single-ear and double-ear seamlessly.
Ergonomic semi-in-ear design, the earbud fits the ear canal, comfortable to wear. Small size and lightweight, not occupy space, easy to carry and use.
ENC environmental noise reduction technology provides clear calls.
Intelligent touch control, easy to play/pause, adjust , switch previous/ song, answer/ up, etc.

Nokia Essential True Wireless Earphones E3101
Wearing stype	True wireless earphones
Ear coupling	Ear canal
Frequency response	20Hz to 20kHz
Transducer principle	Dynamic driver
Transducer size	13mm
Sound pressure level (SPL)	94dB±3dB
Impedance	16Ω±15%
Microphone principle	MEMSx2
Power supply	Built-in Lithium rechargeable batteries 3.7V Left earbud: 40mAh Right earbud : 40mAh Charging case :350mAh
Operating time	Up to 5 hrs(Music playback via A2DP ) with rechargeable batteries of the earphones .Up to 20 hrs with rechargeable battery of charging case.
Charging time	Earphones:approx 2 hrs Charging case : approx 2 hrs
Ingress protection (earbus)	Anti-dust and splash proof (IP44)
Weight	Left earbud : approx 3.4g Right earbud : approx 3.4g Charging case : approx 28.8g
Volume control	Yes
Bluetooth
Version	Bluetooth specification version 5.1
Profiles	HSP,HFP,AVRCP,A2DP
Effective range	GFSK,π/4 DQPSK.8DPSK
Transmission frequency	2402MHz to 2480MHz
Output power	3mW(max)
Supported Audio Format(s)	SBC

Packing list:
1 * Pair of headphones
1 * Charging case
1 * Charging cable
1 * User manual