These are about as good as truly wireless in ear headphones get. The dynamic, well balanced sound that comes out of these headphones will have you grinning ear to ear. If you are willing to stretch your budget a bit you’ll be glad you did!!

Sennheiser Momentum TW3 Specifications

Wearing style: true wireless stereo earphones
Ear coupling: ear canal
Frequency response (speaker): 5 Hz to 21 kHz
Transducer principle: dynamic, closed-back
Transducer size: 7 mm, TrueResponse™
Sound pressure level (SPL): 107 dB SPL (1 kHz / 1 mW)
Total harmonic distortion (THD): <0.08% (1 kHz / 94 dB SPL)
Frequency response (microphone): 100 Hz to 10 kHz
Microphone principle: MEMS
Microphone pick-up pattern: 3 mics per earbud, beamforming for noise reduction
Battery supply: built-in Lithium-Ion rechargeable batteries
Battery supply (earbuds): 77 mAh
Battery supply (charging case): 850-950 mAh
Charging port: USB charging via USB-C socket of the charging case
Operating time (earbuds): 7 hrs
Operating time (charging case): 28 hrs
Charging time: approx. 1.5 hrs for full charge, after 10 min charging 1 hrs music playtime
Bluetooth version: Bluetooth 5.2 compliant, class 1, 10 mW (max)
Bluetooth profiles: A2DP, AVRCP, HFP
Bluetooth Audio Codec: SBC, AAC, aptX™, aptX adaptive™
Bluetooth output power: 10 mW (max)
Active Noise Cancellation: Hybrid Adaptive ANC
IPX rating: IPX4, splash resistant (earbuds only)
Weight (earbuds): 5.8 g
Weight (charging case): 66.4 g
Temperature range (operation): 0 to +45°C
Relative humidity (operation): 10 to 80%, non-condensing
Transmission frequency: 2,402 MHz to 2,480 MHz; GFSK, π/4 DQPSK / 8DPSK